There are small bumps inside the vaginal opening that don’t hurt or itch, and they may be caused by pseudo warts, condyloma acuminatum and other causes. 1. Pseudo-warts: a benign pseudo-papilloma-like lesion, the cause is not very clear, can only say and fungal infection, chronic inflammatory stimulation is associated with the clinical manifestation of the inner lips of the labia minora or the vestibule of the vagina, the emergence of red pimples, there is no pain or itching sensation. There are no other symptoms, generally do not need special treatment. 2. Condyloma acuminatum: a sexually transmitted disease caused by human papilloma virus infection, early may also appear around the genitals, there are small bumps, no pain, no itch, but will be with the progress of the disease, this small bumps form superfluous organisms, the performance of the characteristics of cauliflower-like or papillary appearance. This condition should be treated aggressively and can usually be treated with laser or liquefied nitrogen freezing. There may be other reasons why small bumps inside the opening of the vagina do not hurt or itch, and they should be treated actively and in accordance with the doctor’s instructions.