Normal average of infant physiological indexes at the end of 22 months:

Weight:11.51-12.17kg;

Height: 85.7-85.77cm；;

Head circumference: 47.07-48.2 cm;

Chest circumference: 47.67-48.87 cm;

Teeth: 16-20, with 0-4 posterior dentures.

Physical development: children around 2 years old have less facial protrusion than before, and can completely control themselves.

Sports development: 2-year-old children can walk steadily, run and go up and down stairs by themselves. If something falls on the ground, they will immediately squat down and pick it up. They like large-scale sports activities and games, such as running, jumping, climbing and kicking. You can skillfully drink water from a small cup with only one hand. You can stack 6-7 blocks, wear buttonholes and pull ropes, such as beads, and imitate drawing vertical lines and circles on paper with crayons.

Language, adaptive behavior development: nearly 2-year-old children's attention time is longer than before, and their memory is also strengthened. They can quickly name familiar objects, say their own names, say simple sentences, and have a tone sandhi when they speak. They will repeat one thing and like to turn pages. When looking at pictures, you can correctly name the objects drawn in the pictures, recite some nursery rhymes and sing some simple songs. I can wash my hands and dry them, turn the doorknob, open the lid, arrange the building blocks in a train, and often cut things with scissors.

Parenting strategy: at this stage, the baby enters the word hunger period, and the baby will ask "what is this", "what is that", "what's in it" and "what's the difference" and so on. Even if mother is a little annoyed, tell him patiently. Because the baby has a strong thirst for knowledge and a strong memory at this time, it is necessary to cherish this precious time and let the baby learn a lot of vocabulary. The vocabulary can be Chinese or English, which can satisfy the baby's hunger from all angles, make the baby's vocabulary increase rapidly, and is conducive to the improvement of language ability.

Most babies can sing a complete song. Although some words in the lyrics are still unclear, it doesn't matter, so as not to affect the baby's willingness to sing because of correction. Mom should choose some classic and excellent children's songs to sing with her baby. The baby has been able to eat independently and does not need to be fed by adults. However, there are still many mothers who are not at ease. Ten white babies are not full, and insisting on breastfeeding deprives them of their desire for independence. Over time, it will make them disgusted and develop the habit of dependence. The baby should be given a chance to eat by himself, and the mother can help when the baby needs it.

Normal average of physiological indexes of infants over two years old:

Weight:12.04—12.57kg;

Height: 88.1-89.1cm;

Head circumference: 47.07-48.2 cm;

Chest circumference: 47.4-48.4 cm;

Teeth: 16-20, of which 4 posterior dentures are not in a line.

Action development: the baby can eat by himself with a spoon, and the movements of his hands are much more flexible. The distance of standing long jump with both feet can reach 15 cm, and you can stand on one foot for a long time. Walking is no longer a problem. I can go up and down the stairs alone, and sometimes I can help you carry your shopping bag! Can do "golden rooster independence" on one leg, and can stand on one leg without taking anything for more than 2 seconds. You can jump down from the last step and do a standing long jump with your feet at the same time. At 27 months, you can already pick up very small objects. You can take off your shoes, turn pages and hold the cup in one hand.

Psychological development: being able to eat independently, the ability to control defecation has also been strengthened, and people can be called in time when defecation occurs. Some babies can take off elastic pants now, but they can't put on pants yet. Can say the requirements of dressing, eating, drinking and sleeping. My mood has always been very stable, but I often cry loudly because my wishes are not satisfied. Sometimes the baby will show some aggressive behaviors, such as hitting, biting, commanding people around him, and having a strong rebellious attitude. The baby's original color was red, and now she can distinguish more than two colors, and she is also very clear about the concepts of big and small. He knows the difference between adults and children, and he also knows that small boxes can be put in big boxes.

Language development: You can recite some nursery rhymes completely, and babies with fast language development will master more nursery rhymes. With the enhancement of memory and understanding, he can skillfully recite simple Tang poems and know words with few strokes, such as "big, small, mountain and water". You can hum songs within three scales with a tape recorder. I have been able to recognize the concepts of 1, 2, 3, and distinguish between inside and outside, front and back, and length. And have some knowledge of geometric figures such as circle, square and triangle. Many babies don't know the division of several angles, and often use "triangle, fillet and square angle" to express it.

Parenting strategy: at this time, the baby can talk freely with the children and want to play with them very much, so teach the baby to introduce himself first in order to make better friends. At the same time, the mother should let the baby know how to protect herself and her family, don't talk to strangers, and don't tell strangers the address and phone number. When playing with children, mothers should tell their babies the basic safety precautions to avoid danger, and at the same time tolerate others in the game, cultivate the spirit of cooperation and adapt to society.