The standard weight of a 1 week 6 month old baby is 10.9kg and the standard height is 82.3cm. At this time most babies have been weaned and can eat 3 meals, 2 snacks, 1 fruit, and 1-2 servings of formula per day. At this time, babies can walk exceptionally well, climb steps, throw balls with a goal, squat and play; they can say several words and their own names, recognize and point out body parts; they have likes and dislikes for people and things, can cooperate in dressing, can drink by themselves with a cup, can express agreement and disagreement, can express urination and defecation, understand commands, and can eat by themselves. If the baby can’t walk steadily or walk alone, it is considered as delayed gross motor development; if the baby can’t speak or understand the meaning of adult speech, it is considered as delayed language development, and it is recommended to go to the pediatric growth and development department for an interview.