The educational value of discussion method: it plays an irreplaceable role in children's education. It is one of the important methods to effectively improve children's cognition, emotion, will and behavior. Because children are in the main position in the educational activities of discussion method, rather than passively accepting the compulsory indoctrination in the traditional educational model, their enthusiasm, initiative and initiative in learning are relatively high. Under the effective guidance of the teacher, the children participate in it personally. They observe, experience, feel, think, discuss and draw conclusions. Only when they have a correct understanding and understanding of the problem can they fully express themselves and play their main role. Through the discussion of specific things, let children understand the right or wrong behavior, good or bad, and improve their cognitive level and discrimination ability. During the discussion, they also participated in the problem-solving activities themselves and tried to solve the problems themselves, thus improving their problem-solving ability. At the same time, taking the initiative to receive education can also avoid the rebellious psychology, resistance and behavior caused by too much preaching.