According to their differences in age and cognitive level, they have different self-care ability and adopt different ways. Primary school students mainly guide, strengthen and cultivate the awareness of cooperation and exchange, and initially establish the ability to actively participate in activities. Methods need to be diversified, and it is required to create situational activities full of children's interests, so as to cultivate children's interest in learning. Establish a correct outlook on life. Junior high school students have a preliminary level of self-cognition. They can learn by themselves, improve their logical thinking ability, display their talents in the platform of comparison, selection, analysis, understanding and communication, establish prestige among their peers, and have a certain sense of honor and disgrace, so as to realize self-reliance, self-confidence and self-improvement and set up lofty ideals.