Swelling in the anus may be hemorrhoids in general. Hemorrhoids are generally divided into internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, swelling in the anus may be caused by internal hemorrhoids, usually refers to the varicose vein clusters above the dentate line, may be due to constipation, long-term consumption of alcohol and other reasons for the cause, the patient will usually appear bleeding during defecation, swelling in the anus, anal itching and other symptoms. Patients can usually use Diosmin, Cefdinir capsule, Compound Keratanate suppository and other drugs under the guidance of doctors for treatment, these drugs usually have the role of treating bacterial infection and itching, blood in stool, edema caused by internal hemorrhoids, allergy patients are prohibited. In daily life, patients should maintain good personal hygiene habits, prohibit spicy and stimulating food, under the guidance of the doctor to identify the cause of the disease, and actively cooperate with the treatment to control the development of the disease.