Always want to diarrhea, perianal discomfort may be due to anal inflammation, anal fissure, hemorrhoids and other causes. 1. Anal inflammation: due to repeated diarrhea stimulation of the local skin mucosa of the anus, so that the anus is congested, edema, resulting in inflammation of the anus, causing anal discomfort. 2. Hemorrhoids: due to the acute attack of hemorrhoids to form a thrombus, internal hemorrhoids lead to the anus has a clear sense of defecation, causing anal pain and other discomfort symptoms. 3. Anal fissure: due to long-term constipation, there is a rupture or tear of the anal canal skin, resulting in anal drip blood, anal pain and other discomfort symptoms. When the above symptoms occur, it is recommended that the patient should go to the regular hospital for consultation and active treatment after clarifying the cause of the disease. Diet do not drink alcohol, do not eat spicy stimulating food, keep the bowel movement, to ensure that the perianal health clean and clean.