Vulvar growth of a white pimple the size of a grain of rice does not hurt and itchy may be sebaceous adenoma, condyloma acuminatum or pseudo condyloma. It is recommended that the patient go to the hospital in time to clarify the cause of the disease. 1. Sebaceous adenoma: Patients may have painless, slow-growing papules, plaques or nodular lesions on the skin. The color is often yellow or pink, or white. It may be related to a variety of factors such as environment, heredity and other causes. 2. Condyloma acuminatum: a common sexually transmitted disease caused by human papillomavirus infection. It is common to see white, pink or dirty gray pimples around the genital skin. The majority of patients have no obvious symptoms. 3. false warts: false warts skin lesions like the early warts, is also manifested in white, pink or dirty gray pimples, no obvious symptoms. However, there is no need for special treatment. It is recommended that you go to the hospital in time to get a clear picture of the cause of the disease, and then treat the cause of the disease.