Vaginal opening pain may be caused by inappropriate sexual life, the influence of childbirth, vaginitis, vulvar malnutrition, etc. Symptoms can be relieved by regular cleansing, suturing, medication, surgery, and so on. 1. Improper sex life: If the pain of vaginal opening is caused by improper sex life, it can be improved by washing the vulva with benzalkonium chloride solution regularly, changing underwear frequently to prevent infection, and avoiding sex during recovery. 2. Influence of childbirth: If the pain of vaginal opening is caused by childbirth, you can close the opening according to the situation, and pay attention to proper rest and avoid strenuous exercise. 3. Vaginitis: If the vaginal opening pain is caused by vaginitis infection, you can choose metronidazole tablets, fluconazole capsules, tinidazole tablets and other medicines as prescribed by the doctor to relieve the symptoms. 4. Vulvar dystrophy: If the vaginal opening pain is caused by vulvar dystrophy, it can be improved by vulvectomy, vulvaroplasty and other methods, or can also use focused ultrasound, fractional laser and other methods of treatment. If the vaginal opening pain is more serious, you need to go to the hospital in time.