Hearing is what the baby communicates with others. The baby's auditory system is basically developed and perfected at 5 months of pregnancy, so the baby is most sensitive to sound from 0-6 months after birth. The way to develop the baby's hearing is to position the response. I often ask my mother, can her children hear it? 'Very good! When I talk to him, he will respond.' Many parents ignore one thing when observing their children's hearing, forgetting that vision can compensate for the lack of hearing. Therefore, when observing your child's behavioral response to sound, don't let your child see your actions or the individual who makes the sound. diaper manufacturers recommend listening to beautiful music to the baby every day, twice a day, 15 minutes each time. The tune should be gentle and not too loud. It must be noted that if the baby is allowed to listen to tapes or CDs for a long time, the baby will become only adapted to mechanical sounds and will not respond to the mother's voice. Babies understand the world through language. Therefore, it is particularly important for parents to speak to babies as early as possible. You can talk to him in a soft tone when breastfeeding, changing diapers, or bathing. When changing the diaper, gently grasp the baby's little hand with your hand, and repeatedly say to him: 'This is a hand, hand, hand.' You can also change the diaper while showing the baby the doll and tell him: 'This is a doll. , A doll.' Previous: Diapers are composed of three main parts Next: What children really want is the quality of companionship