1. Basic stage of communication: solve the link relationship and emotional problems between children and people, thus promoting the development of children's communication motivation and active expression ability.

2. Social reference stage: solving the development problem of children's nonverbal ability to refer to others and their own nonverbal ability.

3. Dialogue development stage: solving children's oral ability (answering questions, using questions, and maintaining thematic dialogue).

4. Social emotional stage: solve the problem of children's emotional adjustment and stabilize children's social emotions.

5. Interpersonal development stage: solving children's single emotional orientation, simple game skills and inflexible social characteristics. Join the intervention of peers to improve children's interpersonal development ability.