Alum is the name of the Chinese medicine, anal itching can be washed with alum, can alleviate the symptoms, but it is recommended to follow the doctor’s advice, and should actively look for the cause of anal itching, the cause of treatment. Alum flavor sour astringent, cold, external with detoxification insecticide, dry dampness to stop itching (through the treatment of dry dampness to stop itching) effect, so for anal itching can also play a certain role in auxiliary treatment, need to be strictly in the guidance of the Chinese medicine practitioner to use. But need to pay attention to, yin deficiency stomach weak, no dampness and heat people avoid serving, and should not be served for a long time and more. Although alum on the treatment of anal itching has a certain role, but it is still recommended that patients with anal itching in a timely manner to clarify the cause of the disease, and then targeted treatment. At the same time in daily life need to keep local clean, dry, diet to light, easy to digest food.