In children's childhood, we can give him some sexual inspiration and conduct some sex education. For example, in his life, parents can tell girls that their breasts will gradually grow up and that girls' genitals are different from boys'. 2. Let children not be so unfamiliar with sex, don't feel so mysterious, and tell your children not to let others touch or show the place covered by swimsuits easily, so as to give them a feeling and protect themselves properly. The child is in middle school.