Genital lichen planus may occur singly or in multiple cases. The cause of lichen planus is unknown and may be related to infectious factors, medications, psychiatric factors, familial factors, and autoimmune diseases. It tends to occur on the skin, mouth, nails, genital mucosa and other parts of the body. Most of the skin lesions of genital lichen planus are arranged in a ring, can be single or multiple, with white reticulated stripes, and some of them may cause localized erosion, ulceration, accompanied by pain, itching and other symptoms. The appearance of genital lichen planus need to consult a doctor in time, follow the doctor’s instructions for treatment, drugs need to be used under the guidance of the doctor.