When the baby was born, he cried loudly, which was the first formal language expression in his life. Gradually, the man uses his mouth, mouth, upper jaw and any new teeth to make sounds. The first month or two was "Oh" and "Ah". Soon, he will learn to speak.

4-5 months: The baby is likely to jump out of the first "mother" or "father" sometimes. This doesn't mean that the baby can talk, so don't get excited. At this time, the baby has not really combined these words with you. The traditional "mom and dad" can only be understood after the baby 1 year old.

6-9 months: The baby talks more and more. When she talks to herself or makes a sound, her mother finds it interesting to listen. This is actually a way for babies to imitate the tone and intonation of adults and a way to learn to speak. Mothers can read to their babies, encourage them to babble, or talk to them more, so that they can follow suit and practice their language skills.

12- 17 months: At this time, the baby can already understand the meaning of some words and say them accurately. The baby will even be trained to change the tone, improve the tone when asking questions, and put forward correct general questions. At this time, the baby gradually realizes the necessity of chatting and talking, and its language expression has great power in expression.

1.5 -2 years old: The baby's English vocabulary may have reached 200, and most of them are proper nouns. The baby still doesn't understand the first-person operation, and will shout out his name and make a request. 18-20 months, the baby learns training words at a rate of 10 or above every day. Some babies can learn a new word every hour and a half. If the mother can show the baby something novel and tell the baby the name of the object, the baby can learn it quickly.

When does the baby's intelligence develop?

1, 0-2 months

At the age of two months, the agility of the baby's hands and feet is not high, but the auditory system, olfactory nerve and taste buds have developed to a certain extent, with the most basic sensory reflex. For this period, the baby's dexterity is low, and he can also exercise some small movements to promote physical coordination.

2, 3-7 months period

In this period, the baby officially entered the practice and exploration of visual guidance, and began to understand his mother when he was 4 months old. When you can't see your mother, your baby will be very anxious; The baby will be happy to see his mother.

During this period, the mother can play some small games with the baby, exercise the baby's interpretation and judgment ability, and promote the development and design of the baby's brain.

3,8-13 month period

At this time, the baby's hands and feet are relatively flexible, which will make it easier to follow suit. So at this time, you can teach your baby to clap your hands and exercise your coordination ability, because your baby is very active at this time. Most babies will gradually walk at 1 year-old, which will be naughty and difficult to take, but it is also the key link to improve the baby's physical coordination ability and IQ.

4. 14- 18 months.

In this period, the baby's five senses are basically fully developed, and the perception has gained a development trend. Coordination should be similar to some movements of the mother. And during this period, parents suggest to interact with the baby more to promote the coordination and familiarity of the baby's five senses.