First, firmly build a personal safety defense line and establish a long-term safety mechanism. Lean safety management requires enterprises to establish a long-term safety management mechanism. Through the institutionalization and standardization of management measures such as safety production, people can restrain their behavior in a highly authoritative system, implement standardized operations, strictly implement the safety responsibility system and the accident responsibility system, decompose the safety responsibility into every link, every post and every employee, and constantly supervise and manage to ensure that all safety measures are truly implemented. Two, the implementation of quality-centered management, the establishment of a total quality management system. The quality advocated by Lean is the goal to be achieved after the manufacturing process, and the final inspection standard before the products are put on the market, following the cost control and manufacturing control. To improve product quality, we must implement total quality management under the guidance of lean principle, establish product quality assurance system, manufacturing process analysis control system, raw material management system and standardization system, and carry out quality control circle activities. Starting from planning activities, distinguish the satisfaction and dependence of customers after using products, determine product characteristics according to customer needs, and find out the conditions for realizing characteristics; Prepare for supplier management, strictly control the specifications and quality of raw materials, and constantly improve the supply level of the worst suppliers; Taking manufacturing as the intermediate stage, making manufacturing standards, accumulating experience and implementing technical savings; Take the inspection stage as the node, strictly check and evaluate correctly, and combine prevention, control and inspection. Three, pay attention to cost analysis and control, improve the profit rate of enterprises. Lean cost management is an interrelated and interactive method system. If we look at each thought and method in isolation, we can't accurately grasp the essence of lean cost management. Only by organically combining the ideas and methods of supply chain lean management to form a complete lean cost management system can we give full play to the functions of various methods and finally achieve the lean result of "good quality, low cost, many varieties and fast time". From the specific implementation process, according to the division of supply chain links, the following ideas of lean cost management must be established: 1. Taking lean procurement cost management as the breakthrough point, to realize lean procurement cost management through lean procurement, it is necessary to establish and improve the enterprise procurement system, standardize and institutionalize procurement work, establish a transparent decision-making mechanism, carry out necessary bidding procurement, disclose hidden information, prevent black-box operation, and minimize the procurement price on the premise of ensuring quality; Choose a good supplier based on the principle of fairness and openness, and establish a long-term mutually beneficial strategic partnership with it to realize the stability of supply channels and low cost. 2. Pay attention to the cost management of lean design. While determining the task of new product development, we should stipulate the cost of new product development, and decompose it into the total cost and parts of the product according to the product structure, and predict and compare the target cost and actual cost of each development stage. Find problems and study measures to reduce costs through value engineering and value analysis. In the process of lean cost management, the professional quality of product developers is very important. Designers should not only be proficient in product design and development technology, but also master the necessary cost business knowledge. Cost control personnel should also know not only technical and economic analysis, but also product design and manufacturing. 3. Lean production cost management is the main content. The cost of lean production can be improved by improving manufacturing technology, carrying out value engineering and value analysis, eliminating waste and adopting activity-based cost management. The cost control of production site requires not only the automation of production technology and the modernization of production management, but also the modernization of employees. It requires all employees to carry forward team spirit, manage the production site voluntarily, put lean thinking into action, eliminate all ineffective labor and waste, constantly improve and perfect the workflow, and make cost control rise from product level to operation level. 4. Taking the cost management of lean logistics as the main line to realize cost management through lean logistics, it is required to take customer demand as the center and determine what creates value and what does not; Analyze every link in the supply chain, such as purchasing, product design, manufacturing and distribution, and find out the waste that can't provide added value; According to the principle of uninterrupted, no detour, no backflow, no waiting and no waste, make an action plan to create value stream. Create value that is only driven by customers in time, and eliminate the links that cause waste in time once they are found, so as to realize punctuality, accuracy, rapidity, high efficiency, low consumption and Excellence in logistics. 5. Lean service cost management is to control the service cost on the basis of a certain customer value demand with the support of lean service cost management, and obtain the maximum customer satisfaction with the minimum service cost. It not only meets the needs of customers, but also does not cause any waste of service costs. Fourth, straighten out the production links and realize agile collaborative manufacturing. To realize lean manufacturing, we must master two cores, namely, rectification production and standardized production. 1. Rectifying production According to lean thinking, in the assembly manufacturing industry, value streams will inevitably be interrupted during operation, which may be because one process must use expensive equipment for multiple value streams. Or because the value stream is not based on the process that can be decided in advance, but on the extremely changeable interaction between people; Or the supplier's breakpoints due to the unstable delivery date and product quality, the interruption of material transfer and the disconnection of production activities will all affect the delivery of products and the smooth flow of enterprise value. To solve this problem, the principle of "pull" should be adopted. Outside the enterprise, customers pull enterprises, and enterprises pull suppliers; Within the enterprise, the front process is pulled by the back process, and the front process is evaluated by the back process, thus "pulling" the production process as a whole. Form an order-centered production operation concept, establish an effective evaluation system of the company's production logistics system, timely adjust the delivery delay caused by production interruption, and form agile production and high-speed market response. 2. The direct result of standardized production is that no matter who finishes the work, the standard can ensure that the task is completed in the same way. Standards not only provide a basis for training, but also provide a benchmark for improvement. To achieve standardization, we can first establish and improve work instructions, unify manufacturing and inspection standards, re-optimize work, rationally allocate workload, and strengthen quality process control. Secondly, we need to complete multi-functional training according to the standards and strengthen the job training for employees. Five, strengthen equipment maintenance, improve the comprehensive efficiency of equipment. Because users of equipment are often more familiar with the performance of equipment, lean management advocates independent safety management from this perspective, and "the equipment they use is managed and maintained by themselves". Self-preservation requires users of equipment to put into work with the concept of "I will manage my equipment", regularly carry out routine maintenance work such as cleaning, oiling and fastening their own equipment, consciously abide by the operating specifications of equipment, and replace and restore deteriorated parts in time. By establishing the performance evaluation system of equipment management, improving equipment maintenance activities and improving the skills of equipment operators, the concept and management mode of "prevention first, zero defect, zero failure and full participation" are established. Sixth, create a high-quality environment and implement on-site visual management. With the help of 6S management, the problem of chaotic production environment can be effectively controlled. 6S management includes six items: sorting, rectification, cleaning, cleaning, literacy and safety. The first four items are concrete actions, requiring enterprises to eliminate unnecessary items, create a refreshing workplace and increase space flexibility. Put the necessary items left behind in the designated location and mark them neatly, so that the workplace can be seen at a glance and the time for finding items can be reduced. Clean the visible and invisible places in the workplace, keep the workplace clean and bright, reduce work-related injuries and eliminate potential safety hazards. The latter two items are both management means and goals to be achieved. Each member is required to form good habits, abide by rules and cultivate a proactive spirit. Seven, speed up personnel training, improve the overall level of enterprises. To carry out the concept of Excellence, we must first change employees' ideas through training, determine the requirements for work with meticulous and clear standards in seven major tasks, use the most suitable people as the main force of work, and form a strong driving force with effective incentives, so as to improve employees' overall awareness of Excellence, improve their ability to find and solve problems, improve their ability to master and apply modern management techniques, and enable employees to develop good habits of standardizing their work. Actively improve the corporate culture environment, improve the environment through employee training, making slogans, status boards and other methods, and carry out improvement proposal activities from the perspective of improving the quality of employees, effectively and comprehensively improving the overall level of the company.