Careful moms and dads can surely find that every baby has their specific sensitive periods. In the sensitive period, there are some special requirements for the care of the child, so what sensitive period does the baby have to go through before the age of 2? New parents look over: 0-3 months: light-sensitive period Features: newborn babies are very sensitive to light, when babies need to adapt to the natural light changes during the day and night, to help promote the formation of the baby’s circadian pattern. Protection advice: open the curtains during the day and sleep with the lights off at night; as far as color is concerned, the eyes are the first to be sensitive to black and white, with obvious contrasts. More to the baby to look over the black and white chart, to be able to on the baby to carry out this visual stimulation. 4-7 months: taste development sensitive period Features: baby’s own mouth can feel sweet, salty, sour and other tastes. Protection advice: Based on the original sweet and sour taste of food, at the beginning of complementary food addition, we should cultivate good taste habits; try to keep adding a single taste of food to the baby, so that the mother can detect the food source of the baby’s allergy in time; the order of addition is also critical, do not give the baby sweet food first, babies naturally like sweet, so then add other bitter, salty baby is not very acceptable; in order to make baby does not partiality, when the baby does not eat, the mother can help the baby accept through 8-10 attempts. 4-12 months: Oral Sensitive Period Characteristics: Curious about everything that can be grasped and put into the mouth, and want to put it into the mouth to explore. Protection advice: In terms of inedible items, make sure the items are clean and safe before letting your baby enjoy trying them with his or her mouth and learning about them. In terms of edible complementary foods, mothers can follow the order of food particles from fine to coarse to add complementary foods to their babies according to their age to exercise their chewing and swallowing ability. 6-12 months: arm development sensitive period Features: like to throw things, which is the earliest standard of hand-eye coordination development. Protection advice: put fragile and breakable or valuable items in places that are not easily accessible to babies, and under the premise of ensuring that the items will not hurt the baby, you can enjoy letting the baby throw and play, or you can do more relaxing parent-child games with the baby. 1-2 years old: large muscle development sensitive period; small muscle 1.5-3 years old Features: stand, walk and trot are very stable, like the game of “hide and seek”. Suggestions for protection: Give him enough space to play games/exercise as much as possible to ensure safety, so that all kinds of muscles can be trained. 1.5-2.5 years old: Language sensitive period Characteristics: Starting from 1.5 years old, the baby will imitate the short language of his parents. Suggestions for protection: Talk to him more often, tell him stories; use more rhetorical questions to stimulate the child’s need to speak and express himself, and guide him to imitate his family’s speech. Let the child learn to use “uncle”, “aunt”, “brother”, “sister” and other familiar people around the whistle The child will learn to use “uncle,” “aunt,” “brother,” “sister,” etc.