Vulvar itching with small bumps may be caused by skin diseases, such as vulvar eczema, warts, folliculitis and so on. 1. Vulvar eczema: the cause of vulvar eczema is still unclear, is due to a variety of factors caused by the inflammatory skin disease, usually manifested as skin erythema, pimples, blisters and other lesions, and accompanied by intense itching, burning, pain discomfort. 2. acromegaly: acromegaly is caused by human papilloma virus infection, can be transmitted through sexual intercourse, mainly for the anus and external genital skin mucous membrane at the reddish organisms, part of the patient will also appear pain, itching and foreign body sensation and other symptoms. 3. Folliculitis: due to damage to the pubic hair follicles infected with bacteria or fungi, often manifested as follicular papules, surrounded by a red halo, will soon appear pus, scabs and other manifestations, accompanied by itching and pain, can also cause vulvar itchy bumps. Due to the cause of vulvar itching with small pimples of more factors, when the patient has small pimples related symptoms, it is recommended that timely to the hospital for examination and diagnosis, as soon as possible to clarify the cause of the disease to take targeted therapeutic measures, to avoid misunderstanding of the condition caused by the aggravation of the symptoms caused by the serious impact.