The generic name of Tanin suppositories is Compound Keratanate Suppositories, which is usually not used before bowel movement, but can be used after bowel movement so that the medication comes into full contact with the intestinal mucosa to work. Or it can be used before bedtime to stay in the intestines for a long time while avoiding the flow of the drug. The drug is often used to relieve pain, itching and other symptoms caused by hemorrhoids, as well as discomfort caused by anal surgery. The drug can form a protective film on the surface of the damaged mucosa, thus providing some protection, as well as lubricate the intestines and facilitate defecation. The reduction of intestinal contents after defecation facilitates the full contact of the drug with the intestinal mucosa, which allows it to work better. Using the drug at night before going to bed can be associated with a long stay in the intestinal tract, and lying down can prevent the drug from melting and flowing out, the effect of the drug can be better reflected. The skin may feel slightly uncomfortable with the use of the drug. Allergic to the drug is prohibited, pregnant women, as well as lactating women should be used under the guidance of a doctor. The drug is a topical medicine, do not take it orally. If there is no improvement or worsening of symptoms after using the drug for seven days, you should consult your doctor.