The three-stage training of pre-job training generally consists of headquarters training, branch or department training and job site training. Its premise is that enterprises should establish a two-level training system, and subordinate enterprises or departments should arrange and organize pre-job training under the supervision and guidance of higher-level personnel departments. After the training, the subordinate enterprises or departments shall report the training situation and results to the superior personnel department for the record.

In the first stage of training at the company headquarters, new employees should know about the company, the various departments and future jobs of the company, the performance, packaging and price of the company's products, the analysis of market sales and the situation of similar strict products and manufacturers in the market. The personnel in charge of training at the company headquarters should evaluate the advantages and disadvantages of new employees and pass the results to the supervisor of future employee training as an important basis for carrying out various professional trainings in the future. The training of branch companies focuses on the learning of new employees' practical work skills in the future, focusing on the following aspects: understanding the future work scope; Understand the routine and unconventional work every day

; Emphasize the importance of time and efficiency; Coordination and cooperation among various departments, etc. On-the-job training is a probation period, which is to engage in future work under the guidance of a senior employee. On-site training should try to let new employees show their performance, and the instructor should only be there to help them and then tell them what to improve after completing a certain job.