1.Intelligent development characteristics ①Big movements: can sit alone steadily, begin to creep forward with upper limbs and abdomen, but crawl with uncoordinated limbs, gradually will use arms and knees to crawl forward. At this time, the baby can also stand up by holding or pulling relatively fixed objects. ② Fine motor: the fine motor of the hand is more flexible, the thumb and other four fingers can be separated to pinch, and gradually play with toys purposefully. ③Language development: the baby can pronounce simple syllables, such as “daddy” and “mommy”, and gradually understands the semantic meaning, and recognizes frequently touched objects such as lamps, books and pens. ④Cognitive development: babies are more and more interested in things around them and like to observe everything in their surroundings, such as people, cars, birds, etc. He can look at more people and objects around him for a longer period of time, and can focus more on the things and toys that interest him, while showing the activities that correspond to them. They can look for objects that have disappeared and imitate them gradually, some babies can imitate waving goodbye, etc. ⑤ Social interaction: recognizing people, distinguishing between acquaintances and strangers, recognizing and judging adults’ speech and behavior, and responding accordingly. 2, the ability to train ① sit: at this time the baby can sit steadily, even if the body is slightly tilted will adjust themselves and continue to sit. At this time, the baby’s attention to the surrounding objects and perspective are different from before, the perception of objects is also different. You can train your baby to hold objects with both hands while sitting, turn his head and torso to find or take things or listen to sounds, etc. ②Crawling: Crawling requires all parts of the body to be involved in order to do well and to prepare for standing and walking. You can let your baby practice crawling on a large bed that is not too soft or on a floor with a mat, etc. Pay attention to safety. With the baby lying prone, tease the baby with various objects he likes in front of his sight and make him move forward to reach them. You can train 4-5 times a day for about 10 minutes each time. Babies will gradually like and coordinate movement. 3, cognition, language and communication ① Cognition: 1, after the baby can sit steadily, the baby’s observation and activity range has increased, the ability to explore and curiosity also increased, intuitive thinking began to sprout. At this time, you can develop your baby’s intelligence by training him to look for disappearing toys or other items of interest. 2, continue to train your baby to use the thumb and other four fingers together to pinch the ability of smaller items, at first may be very clumsy, slowly baby will get used to and like to pinch, later will accurately pinch small items. Pay attention to the baby pinch things to be safe, to prevent the baby eat into the mouth cause danger. 3, at this time, the baby’s mobility increased, can gradually move their own body. You can prepare a safe small environment for your baby, put some toys such as cars, blocks, dolls, etc., and let your baby sit there by himself to play, and train his ability to play by himself. Language: 1. Put several toys in front of the baby, parents and baby say “give me the car”, “give me the blocks”, “give me the doll”, etc., so that the baby can find the right thing to give. parents. If the baby can not pay attention, then repeated training, and gradually expand the baby to recognize and pick up the range of objects. 2. At this time, the baby can pick up objects accurately, and can switch toys upside down with the left and right hands, train the baby to pick up and put down toys, and let the parents show and teach the baby to imitate, and gradually train the baby to take out and put in toys from the box. 3. Every day, train your baby to pronounce words such as “mommy”, “baby”, “daddy”, etc. At the same time, ask your baby to look at the parent’s mouth shape when he/she speaks, and point to the person or object that corresponds to what he/she says. Demonstrate, train the baby to imitate the pronunciation and action and pay attention to what is said. 4.Hold the baby, the parents gently touch the baby’s forehead with their own forehead, and call the baby’s name in a pleasant voice, saying “touch the baby’s head” to train the baby to play the game of touching the baby’s head. After a few repetitions, when the baby understands, as long as the parents say “bumper head”, the baby will take the initiative to cater to the action. ③Life and interaction: 1, as the baby grows older, to train the baby to drink from a cup. At first, try slowly, parents can hold the cup to feed the baby, and then gradually let the baby hold or hold the cup to drink water. 2, continue to train your baby’s ability to interact, using language and action to teach your baby “welcome” (while teaching your baby to pat each other’s hands and look at each other), “goodbye” (while teaching your baby to collect or wave and look at each other), etc., your baby does not do the right thing to correct in time If the baby does not do the right thing, then give praise. 3, if the baby’s behavior is not correct, so the age of the baby like to put things into the mouth sucking, at this time should use language and head shaking and other actions to tell the baby “no”, and timely stop the baby, do not be afraid of baby crying; if the baby corrected then praise the baby. This stage is the best time to begin to develop the correct habits of the baby, may begin to baby does not cooperate, will be petulant, must adhere to the correct behavior, do not give up training because the baby cries, but more firm training, the baby will gradually understand and implement, if the baby does the right to hug the baby or kiss the baby, etc. to show the reward, let learn to restrain their own behavior. 4, holding the baby in front of the mirror, pointing to the five senses to teach the baby to say “eyes”, “mouth” and so on. 4, abnormal signals: 7-8 months old baby, if they can not sit alone, do not take the initiative to fetch things, can not distinguish between acquaintances and strangers, and do not respond to adults call their names, it is recommended to strengthen training while looking for professional medical examination.