There is no medical opinion on whether it is good to shave or not to shave a newborn’s fetal hair. Shaving or not shaving the fetal hair usually has no effect on the growth and development of the newborn. If the weather is hot, shaving a newborn baby’s hair will help sweat. The good or bad quality of an infant’s hair is mainly related to genetic factors and its own nutritional status. Infants who lack nutrition are prone to stunted growth and development, and their hair will be yellow, thin or lack of luster. Shaving or not shaving will not affect the growth and development of infants, nor will it affect the body’s metabolism. In summer, easy to sweat, if the baby’s hair is dense, can not sweat in time, the scalp caused by rashes, itching, such a situation to the baby shaved fetal hair to help sweat and heat. But need to pay attention to shaving should first appease the baby’s emotions, because the baby’s skin is delicate, in the shaving if the baby crying or struggling, may damage the hair follicles or cause other parts of the accidental injury. Parents should decide whether to shave the newborn’s fetal hair according to whether it affects sweating, and at the same time need to pay attention to protect the baby from injury when shaving.