When the menstruation is almost over, it is better not to have sex and use your hands first, and wait for the menstrual period to be completely over for 3 days before doing so. During menstruation, the endometrium is shedding blood and the cervix is in an open state. Masturbation, sex and finger sex at this time, even at the end of menstruation, will be more prone to infections, which can lead to gynecological diseases such as vaginitis, pelvic inflammatory disease and endometriosis, which are detrimental to the health of the body. It is recommended to restrain sexual desire during menstruation, avoid sexual intercourse, and wait for 3 days after the menstrual period has completely ended before engaging in normal sexual intercourse. At the same time, we should pay attention to the vulva clean, pay attention to rest and keep warm.