The height and weight of a 2-year-old baby varies from person to person, with a reference value of 11.2-14.0kg for boys and 84.3-91cm for girls and 10.6-13.2kg for girls and 83.3-89.8cm for girls. 1, physical skills: the baby can eat independently, has the ability to control bowel movements, will call someone in time when they have the intention to poop; become more active, will use crayons to draw pictures, can also take off simple clothes, etc.; 2, motor skills: the baby’s ability to dominate things has been enhanced, can use their own behavior to influence the surrounding environment, such as jumping, running, up and down the stairs, pushing the walker, standing on one foot, turning books, etc.; 3, language development: this stage of the baby’s language skills will have great progress, can gradually use some simple The baby can gradually use some simple language to communicate, express their will, and begin to use “you” “I” personal pronouns. In addition, can also understand relatively complex sentences, such as “go to the park with grandparents”, “take the car to the supermarket”, etc.; 4, cognitive ability: at this time the baby can notice the nuances of some items, can turn the book page by page, and can point out the pictures of animals and characters, can put together 2-3 pieces of puzzles, etc. If the baby’s development differs much from the above standards, you need to pay attention to seek help from the doctor in time, and at the same time give the baby additional nutrition to make the baby grow up healthy. However, it is important not to over-nourish your baby and cause excessive obesity.