Including: gross motor, fine motor, language, cognition, social interaction, etc. 1.Large motor area 0~4 months: training infants to lift their heads prone; 4~6 months: active head lifting, rolling over, holding the station automatically jumping when even learning to pull sitting; 8~10 months: sitting alone and stable, learning to crawl; 12~15 months: learning to walk alone, practicing climbing up steps; 18~24 months: training to pull toys walking backwards, holding the bar by themselves up and down steps; 2~3 years: practicing running, jumping on both feet, throwing balls, kicking balls, etc. Skills. 2.Fine motor: 4~6 months: let them stretch their arms to grasp the toys in front of them; 8~10 months: train to pass their hands; 10~12 months: pinch small objects with their thumbs and index fingers; 1 year: let them knock two blocks against each other; 2~3 years: thread beads, fold paper, and tie buttons; 3.Language: make the baby happy and pronounce more words; 8~12 months: learn “goodbye”, “welcome”, and “goodbye”. “, “welcome” and other games for young children; 1~1.5 years old: learn to point to objects at home, to refer to body parts, and consciously address “dad”, “mom ” and other family members; 1.5~2 years old: practice saying words; 2~3 years old: combine several words to form simple sentences, learn to use the personal pronouns “I” and “you”, and say short songs; 4. Cognitive domain Their cognitive 0~6 months: More visual, auditory and tactile stimulation, touching and talking to him, allowing him to follow moving toys and faces, and looking for sounds; 6~12 months: strengthening his understanding of human language based on perception and motor training; after 1 year: the fine motor movements of the toddler’s hands are developing rapidly. The toddler’s oral language develops and cognition begins to enter the initial thinking stage at 2~3 years old; 5. Social Interaction Domain In addition to mother-child interactions, peer interactions and other adult interactions are to be carried out, preferably in a playful way to learn.