First, formulate a strict product quality assessment management system; Increase rewards and punishments; Reduce the probability of error; Plus humanized management; Cultivate the cohesion of enterprise employees. In addition, I send you a classic saying by Harold Green, the pioneer of G theory: Managing a business is like cooking food. Generally speaking, you will cook according to the recipe, but when you really start cooking, you must use all your senses, observe at any time and adjust at random, and you will gradually accumulate experience through "trial and error"; This is the art of successful management. No secrets, no formulas, no theories.