Vaginal bottom, pain in the anus may be due to vaginitis, perianal abscess, anal fissure and other reasons. 1. Vaginitis: If you don’t pay attention to your private hygiene for a long time or your vagina is infected by bacteria and viruses, the ecological balance of the microbiota is broken, so that the vaginal secretion increases, and when the secretion stimulates the clitoris too much, it will cause pain in the bottom of the vagina and in the anus. 2. Perianal abscess: If the long-term use of spicy and stimulating food, drinking alcohol to make the anorectal damage, so that the anorectal infection, to the anus around the spread, the formation of abscess. When the abscess breaks out, it will show the symptoms of pain in the anus at the bottom of the vagina. 3. anal fissure: long-term irregular diet or drinking less water, so that the stool is more dry, coarse, constipation and other causes of anal skin tear, when the inflammation spread, it will lead to the symptoms of pain in the anus on the bottom of the vagina. Caused by the vaginal bottom anus on the pain of more reasons, it is recommended to go to the hospital in time for examination and diagnosis, a clear cause, under the guidance of a professional physician for targeted treatment, to avoid affecting the daily life and physical health.