The itching is not caused by vaginitis, but is mainly caused by localized lesions of vulvar skin and STDs. Patients should seek medical attention and confirm the diagnosis through gynecological examination and ultrasound examination. The specific causes and treatments are as follows: 1. Local lesions of vulvar skin 1. Vulvar eczema: The vulvar skin is more delicate and has a lower barrier function, and is often in contact with urine and sweat stains, which can easily be stimulated and lead to allergies. In addition to itching, it can also be accompanied by burning, pain and other symptoms, and in serious cases can form ulcers or lesions into patches. Patients can use glucocorticoid preparations for treatment under the guidance of professional doctors, in addition, pay attention to keep the local clean and dry, underwear to cotton, breathable is appropriate, should be changed daily; 2, vulvar dystrophy: in addition to itching, if also accompanied by vulvar skin color loss, or labia minora atrophy and other symptoms, then need to consider vulvar dystrophy, severe cases can be manifested as vulvar sclerosing moss, the disease using drug therapy The disease is treated with medication, such as copper sulfate solution, etc. The patient should develop good hygiene habits to keep the vulva clean and relieve the symptoms of the disease; second, sexually transmitted diseases 1, vulvar condyloma: in addition to itching, if also accompanied by light red papules or cauliflower-like, cockle-like and other superfluous organisms, consider suffering from condyloma acuminata. The warm, moist vulva skin is conducive to viral growth, so the disease progresses rapidly. The disease is generally physical therapy, such as laser, freezing, etc., during treatment to avoid sexual intercourse, while sexual partners should also be examined; 2, pubic lice: if the itching is intense, and the pubic skin has red rash, bruises and other symptoms, then you can take a magnifying glass or dermatoscope to look carefully at the pubic hair and surrounding skin to see if there are crab worms or eggs, the disease to eliminate lice and eggs, patients need to remove pubic hair and apply sulfur ointment and other drugs. In addition, the patient’s used underwear, underwear, bed sheets and other intimate items need to be disinfected by boiling. During the treatment period, in addition to taking medication as prescribed by the doctor, patients can also alleviate the symptoms through dietary and life conditioning, it is recommended to eat more vitamin-rich fruits and vegetables, such as mangoes, kiwis, etc. In addition, pay attention to rest, early to bed and early to rise, moderate exercise, to combine work and rest.