1. Language training: ① Add the action of exhaling through the mouth to the behavior, demonstrate and strengthen it repeatedly, so as to facilitate vocal training; 2 Let children adjust their pronunciation by visual observation and imitating mouth and tongue movements, and gradually transition from action imitation to mouth pronunciation imitation, and reward them when their pronunciation is correct; (3) Let children imitate words, starting with the names of toys that children are interested in, and gradually transitioning to other items or actions; (4) After children master some words, let them practice speaking sentences and retelling sentences or articles step by step, and let them read articles and ask targeted questions to enhance their language expression ability.

2. Common attention training: ① Let children look at the speaker's face, take the initiative to look at his eyes and gradually extend the time to strengthen in time. Strengthening mainly includes food, toys and verbal or body posture praise; (2) Let children imitate actions such as radio exercises and make them aware of the existence of others; 3 play interactive games with children that require the participation of many people, such as hide and seek.

3. Social training: ① Show children body language such as nodding and shaking their heads, as well as smiling expressions, so that they can imitate them until they understand them; (2) Let children help convey information, starting with short sentences and gradually extending them, so that children can actively establish contact with others and improve interpersonal relationships; ③ Play games with children in daily activities such as shopping, traveling, seeing a doctor, etc., to help children learn communication behaviors in certain social scenes, so that children can gradually learn social norms and learn to take care of themselves.