A woman’s pain after intercourse should be treated for the cause, vaginal inflammation requires medication, endometriosis requires medication and surgery, and pelvic inflammatory disease requires medication. 1. Vaginal inflammation (1) Trichomonas vaginitis: inflammatory stimulation can make the vaginal mucosa congested, causing pain during sexual intercourse, accompanied by an increase in vaginal secretions and vulvar itching, vaginal secretion examination to clarify the diagnosis. Nitroimidazole drugs such as metronidazole and tinidazole should be given as prescribed by the doctor. (2) Vulvovaginal pseudomycosis: it can lead to redness, swelling, erosion and superficial ulceration of the vaginal mucosa, and cause pain during sexual intercourse, which can be clearly diagnosed by vaginal secretion examination. Follow the doctor’s advice to give clotrimazole preparations, miconazole preparations and other drugs deep vaginal placement, or tonic fluconazole systemic drug. 2. Endometriosis: Painful intercourse can be caused when the ectopic lesion involves the rectal uterine pit. There will also be lower abdominal pain, progressive aggravation of secondary dysmenorrhea, which can be clearly diagnosed by ultrasound examination and symptoms. Contraceptive pills, medroxyprogesterone, progesterone and other medications can be given, and those who are indicated need to undergo surgery to remove the lesion, and if necessary, remove the uterus and adnexa. 3. Pelvic inflammatory disease: Inflammatory stimulation makes the pelvic floor tissues congested, which causes pain during sexual intercourse, and may be accompanied by pain in the lower abdomen, increased vaginal discharge, etc. Combined with the history, physical examination and laboratory tests, the initial diagnosis is made. The initial diagnosis is based on history, physical examination, and laboratory tests. Antibiotics such as ceftriaxone sodium and ofloxacin are given as prescribed by the doctor, and surgical treatment is required if necessary. Clinical women with pain after coitus can go to the hospital, and identify the cause, under the guidance of the doctor to give treatment.