Internal training refers to the process by which enterprises improve the knowledge, skills and attitudes of newly recruited employees or existing employees by relying on their own strength through various ways and means, so as to reach the expected standards. Because the training objects are different and the training contents are different, enterprises generally need to adopt a variety of training methods and methods to achieve good results.

Internal training is the most important part of the training system, the cornerstone and non-renewable force of training, and plays a very important role in enterprises. Internal trainers are teachers in enterprises and the most recognized and supported group. They integrate enterprise spirit into the curriculum, explain knowledge transfer skills and answer various difficult questions for employees.

This method is the main way of school education. Because of its simple implementation and strong pertinence, it is also the most commonly used in internal training of enterprises. Because this method is mainly taught unilaterally by teachers, the teaching staff has a great influence on the training effect. The disadvantage of classroom teaching method is that it is single and does not meet the requirements of diversification, so it is often used in combination with other methods.

This is a systematic training method to teach job skills through textbooks or computers. This method first asks questions or states facts, and asks trainees to answer them, and then immediately gives feedback to the questions they answered.