Training system is an important guarantee for a company to train employees systematically and continuously. It is an organic combination of internal training resources and a platform for enterprises to implement effective training for employees. Can make the training more systematic, lasting and effective; It is an important tool to help enterprises achieve the goal of talent training. Tan Xiaofang, a well-known training expert, believes that because different enterprises have great differences in culture, strategy, scale, industry and many other aspects, the construction of training system must also proceed from the characteristics and reality of enterprises themselves. In addition to defining the content of the training system and the training status of enterprises, we should also pay attention to the following six principles: based on strategy, meeting demand, full participation, employee development, dynamic openness and balance.