The baby who has reached 33 months old is already very strong, and its resistance to disease has also been strengthened. The average weight of girls is 12.2~13.9 kg, and that of boys is 12.5~14.3 kg. The average height of girls is 90-95cm and that of boys is 91-96cm.

He (she) has been able to run very quickly and walk on one foot. The baby can walk on tiptoe. Even if you walk with something fragile, there will be no accident. In the playground, children are encouraged to participate in jumping, kicking, climbing, playing with sand, playing with mud and other sports to improve their movement ability. Encourage children to climb the climbing frame and climb up by themselves. You can teach your baby to jump on one foot, either left or right, without forcing him to use his left foot. The baby can catch the ball thrown from 1 meter.

Teach your baby to wear beads, cut paper, and develop fine hand movements. You can use plastic rope to wear wooden beads or buttons to see how many can be worn in a minute. Use a serrated scissors to help your baby cut out various shapes.

Let your baby learn how to fold a square paper into a rectangle and then into a small square. The baby can also draw a square and seal the mouth, but the four corners are relatively blunt. Encourage your baby to build more complex structures with building plug-in toys. Building plug-in toys need pressure to be combined.

Let your baby take part in the housework. When you wash and cook, your baby will sometimes be eager to "help". Although he (she) often helps more, her mother still needs to Take good care of the baby's enthusiasm, and properly allocate some work within the baby's ability , such as taking washing powder, peeling garlic, taking spoons and other simple labor, which will make the baby feel their importance and mobilize his (her) enthusiasm for labor. When eating, encourage your baby to actively distribute chopsticks and serve some cold dishes for everyone.

The first stage of baby's language development is babbling from July to August, the second stage is about 1 year old, and the third stage is about 2 years old. Now the baby has entered the fourth stage - discovering interest, that is to say, the baby begins to practice with interest and consciously practice language use under the guidance of interest , which is a prominent feature of children in this age group. The baby has tasted the sweetness of language. Language can express his own wishes. He can spend more time with his parents, snuggle up with his parents, listen to sweet words, and insert a few words himself. The baby feels so wonderful. After such a good time, we have accumulated a wealth of vocabulary. 3-year-old children can basically express their needs and views in their mother tongue, and can communicate with their parents and people around them in language.

The baby's good and bad feelings about color are very obvious. For example, some babies like red, while others prefer blue. The baby likes simple musical instruments very much, especially the musical instruments that make a beautiful sound.

Babies have the ability to classify according to size, color, shape and materials. Babies have been able to classify various objects with different purposes, such as eating, wearing, using, playing, etc. Through the practice of classification, it will lay the foundation for developing babies' comprehensive ability to analyze. Let children try to point out the unreasonable points from the wrong pictures.

Babies have gradually become interested in social activities, especially among children of similar age. The baby may have realized that it needs love to communicate with children, and learn to share delicious or fun things with others. However, parents are still needed to guide and teach by example.

The baby starts to feel proud of completing a difficult task. When parents praise the baby, the baby will applaud for itself. The baby is playing while two adults are chatting. When talking about the baby, the baby may prick up his ears and listen. What does the baby hear most clearly? Of course, I praise him! When the baby hears the praise for him, he will show a happy expression, which means that the baby begins to learn self affirmation.

To establish life rules for babies, father and mother should agree and practice consistently 。 Let the baby decide what to do and how to do according to his mood and feelings, which will make the baby feel at a loss. Parents have the obligation to help their baby understand the world and obey the rules that should be followed. Let your baby develop good living habits, which is good for your baby's physical and mental health. The attitude of "whatever you like" is undesirable.