It is not recommended to have coitus at the end of the month, when the cervix is not completely closed and the uterine lining is not fully repaired, it is easy to bring pathogens into the vagina or even retrograde to the uterine cavity or pelvis, which will cause serious adverse effects on the woman’s body, such as secondary infections and gynecological inflammation, etc. The time that a woman can have coitus after delivery depends mainly on her physical recovery. The time a woman can have intercourse after giving birth depends mainly on her physical recovery. Through the 42-day post-partum examination, some women’s bodies are weaker, the recovery after smooth delivery is poor, it is necessary to delay the time of coitus as much as possible; some women’s recovery is better, the time of coitus after smooth delivery can be relatively earlier, but it is best not to be earlier than within 6 weeks after delivery. It should be noted that postpartum sex should be carried out after the postpartum dew clean, so as not to cause infection in the uterine cavity; and must pay attention to hygiene, both spouses need to do a good job of hygiene and cleanliness; at the same time, about 20 days after the birth of the ovaries may resume ovulation, which means that the body already has the possibility of pregnancy, must do a good job of contraception when having sex.