The child’s private parts of the long hair can be cut, but it is not recommended to cut, and again grow out may be painful and itchy. The child’s private part of the long hair, indicating that the child has entered the pubertal development period, is one of the child’s secondary sexual characteristics, long hair is a normal physiological phenomenon, is due to the body of the sex hormone level of the changes caused by the cut off the pubic hair, with the passage of time, it will grow again, generally will not have an impact on the child’s physical health. At the same time, due to the private parts of the hair has sweat, relieve friction role, so in the child’s private parts of the phenomenon of long hair, it is not recommended to cut. If the pubic hair is excessive or distributed abnormally, it is necessary to go to the endocrinology, urology or gynecology department of the hospital in time to exclude disease factors, so as to intervene in the treatment of the cause of the disease in a timely manner.