Possible causes of cracks on both sides of the labia include dry skin and mucous membranes, vaginitis, vulvar eczema, etc., which can be helped to improve through enhanced care and medication. 1. Dry skin and mucous membrane: If the cracks on both sides of the labia occur in menopausal women or menopausal women, it is considered to be due to the low level of estrogen that leads to the dryness of the skin and mucous membrane of the labia, which leads to cracking, such patients should pay attention to strengthening the local hygiene and care of the vulva, and in serious cases, they can be coated with estrogen ointment, erythromycin ointment, and other medications to help with the treatment. 2. Vaginitis: If the cracks on both sides of the labia occur in young women, it is mostly considered to be caused by vaginitis (especially mycosis fungoides), because long-term vaginal inflammation stimulation will cause vulvar itching, coupled with excessive scratching of the patient, it will make the vulva red, swollen, flaky and cracked, etc. This kind of patients can be coated with clotrimazole to help anti-bacterial treatment, and the serious cases need to be taken orally fluconazole to help the treatment at the same time. 3. Vulvar eczema: in addition to the above diseases, vulvar eczema can also cause cracks on both sides of the labia, but also redness, swelling, pimples, blisters, ulceration and other symptoms of the vulva, such patients can be applied locally hydrocortisone cream, tacrolimus ointment, pimecrolimus cream and other medications to help improve the symptoms, and at the same time, need to pay attention to strengthen vulvar care to maintain the localization of dry hygiene of the vulva. It should be noted that the above treatment should be carried out under the guidance of a physician to avoid the occurrence of adverse reactions, and the use of specific drugs should be in accordance with medical advice.