Usually women can wash their hair about 5-7 days after a medical abortion, but they should pay attention to the water temperature and must blow dry their hair immediately after washing. The abortion can damage the uterus and ovaries of women, and the body is especially weak and immune after abortion, so washing hair immediately can easily cause a cold. At the same time, because the cervical opening of a woman is in a relaxed state during a medical abortion, the blood sinus is open after the embryonic tissue is peeled off, and the bacteria in the vagina can easily enter the uterine cavity retrogradely and cause bacterial infection. Therefore, women can wash their hair after 5-7 days after medical abortion, before that they should try to avoid contact with water to avoid getting cold. In addition, women should pay attention to rest, keep the vulva clean, eat less spicy and cold food, avoid heavy physical labor, and forbid sex before the next menstruation within 2 weeks after medical abortion.