It will take effect automatically 30 days after the employee submits the resignation report; However, if the laborer reneges on his word and reaches an agreement with the employer, the labor relationship can still be retained. Resignation shall be notified to the unit in writing 30 days in advance and 3 days in advance during the probation period; At the end of 30 days, workers can leave their jobs regardless of whether the unit agrees or not. Legal basis: Article 37 of the Labor Contract Law of People's Republic of China (PRC), the employee may terminate the labor contract by giving a written notice to the employer 30 days in advance. The employee may terminate the labor contract by notifying the employer three days in advance during the probation period. Article 38 In any of the following circumstances, the employer may terminate the labor contract and fails to provide labor protection or working conditions as agreed in the labor contract; Failing to pay labor remuneration in full and on time; Failing to pay social insurance premiums for workers according to law; The rules and regulations of the employing unit violate the provisions of laws and regulations and damage the rights and interests of workers; The labor contract is invalid due to the circumstances specified in the first paragraph of Article 26 of this Law; Other circumstances under which the laborer may terminate the labor contract as stipulated by laws and administrative regulations.