Vaginal laxity will affect the quality of sex life between couples. There are many reasons that trigger women to develop vaginal laxity, such as childbirth, perineal tear, episiotomy and other traumas, which can trigger women to develop vaginal laxity if not handled properly at an early stage. Maternity age and weakening of the muscles around the vagina can also trigger vaginal laxity in women, as can weak physical condition and abnormal secretion. Vaginal laxity patients will appear vaginal dysfunction, coitus, air in and out of the vaginal cavity out of control, triggering the phenomenon of women with involuntary suction and exhaust phenomenon, serious will lead to bladder, rectum bulging, affecting the sex life of couples and thus cause psychological pressure.