The anal area appears lumps with pain, mainly considered with pathological factors such as hemorrhoids, perianal abscess, anal fistula and so on. 1. Hemorrhoids: such as thrombosed external hemorrhoids, when stimulated by the perianal subcutaneous blood vessel rupture, caused by subcutaneous thrombus, can be manifested as a hard pimple in the perianal area, edema of the skin margins, pain and other symptoms. 2. Perianal abscess: associated with bacterial infection, causing perianal abscess, lesions can be accompanied by pain, the texture can be relatively hard, but also fever, chills and other symptoms. 3. anal fistula: mostly secondary to perianal abscess, due to the formation of anal fistula fistula, fistula contents outflow can cause local chronic inflammation, stimulated by inflammation can cause localized anal pimples, accompanied by pain symptoms. Of course, the cause of anal pimples, with pain is not limited to the above diseases, so it is recommended to go to the hospital in a timely manner, after a clear diagnosis and active treatment, so as not to delay the condition.