The small class case observation record shows that Xiao Ming did not participate in singing or dancing in music activities. After observation, it was found that Xiao Ming is an introverted child, unable to adapt to new environments and new faces, and lacks self-confidence. In order to improve Xiao Ming's participation, you can encourage him to participate in activities within the group, reduce his stress, give him more positive feedback and encouragement, make him feel that his performance is recognized, create a relaxed and happy activity atmosphere, and let him gradually Adaptable and willing to participate in group activities.