Anal soreness is usually associated with anal fissure, hemorrhoids, sinusitis, rectal prolapse and other causes. 1. Anal fissure: long-term constipation, dry stools may cause anal fissure, there may be sore anus symptoms, severe pain, bleeding and other adverse symptoms. 2. Hemorrhoids: poor dietary habits, bowel habits may cause hemorrhoids, which can cause some adverse symptoms, such as anal pain, anal itching, anal prolapse, blood in stool, etc.. 3. Sinusitis: Sinusitis is mainly caused by bacterial infection, which may cause adverse symptoms such as incomplete bowel movement, anal itching, pain, and may also cause anal soreness. 4. Rectal prolapse: the etiology of rectal prolapse is not completely clear, patients may experience constipation, mucus stool, rectal prolapse, urgency and heaviness and other adverse symptoms, may also experience anal soreness. The causes of anal soreness are more, in addition to the above, there may be other factors, it is recommended that the patient should consult a doctor in a timely manner, conduct a detailed examination, to clarify the specific causes of the disease and then give standardized treatment.