A cyst at the vaginal opening near the anus is considered to be related to vestibular cysts, folliculitis, sebaceous cysts and other diseases. 1. Vestibular cysts: usually due to obstruction of the vestibular gland ducts, a large amount of secretions gathered, thus causing the phenomenon of a cyst at the vaginal opening near the anus, vestibular cysts may appear vulvar swelling, discomfort during sexual intercourse and other symptoms. 2. Folliculitis: it is usually due to the blockage of follicular opening and excessive oil secretion, which leads to excessive oil gathering, thus there is a cyst at the vaginal opening near the anus, and folliculitis will usually cause pain, itching, redness and swelling, and other symptoms. 3. Sebaceous cysts: may be due to sebaceous gland opening blockage, excessive sebaceous gland secretion, easy to induce sebaceous cysts and other lesions, thus causing the vaginal opening near the anus there is a phenomenon of cysts, and there will be a lump, the surface is smooth and other symptoms. If there is a cyst in the vaginal opening near the anus, it is also considered to be related to vaginal cysts, hemorrhoids and other diseases, you can go to the hospital in time for consultation, differential diagnosis, and give reasonable treatment. In daily life, should keep the local skin clean, prevent infection, reasonable diet.