Anal pimples may be caused by pathologic factors such as sebaceous cysts, folliculitis, eczema, hemorrhoids, perianal abscesses, warts and so on. 1. Sebaceous cysts: mostly caused by bacterial infections, leading to sebaceous gland duct excretion is blocked, occurring in the anus can be caused by the anal region of the symptoms of pimples. 2. Folliculitis: mostly associated with anal follicle damage or bacterial infection, can cause red pimples with pain and other symptoms, manifested as the symptoms of acne in the anus. 3. Eczema: anal eczema is mostly seen in the perianal area, buttocks and other parts of the body, which can cause localized itching, red rash, dampness and other symptoms, and can be manifested as long acne in the anus. 4. Hemorrhoids: external hemorrhoids hemorrhoid core congestion, internal hemorrhoids hemorrhoid core prolapse, can be manifested as anal long pimples. In addition, anal fissure patients often have anterior hemorrhoids, also have such appearance performance. 5. Perianal abscess: perianal soft tissue infection forming abscess can be manifested as a symptom of anal lumps and pimples, can also be accompanied by redness, pain, anal swelling and other symptoms. 6. warts: belonging to the sexually transmitted diseases, anus localization can appear pimples is considered to be long pimples, lesions can increase or appear cauliflower-like superfluous organisms. If the symptoms of pimples in the anus, there may be other causes, it is recommended to consult a doctor in time to clarify the cause of the active treatment, so as not to delay the condition.