The main adverse reactions of Analtech patch are allergy and diarrhea. Patients with hemorrhoids can be treated with Analtech, the drug has important ingredients such as pentaphyllum, borneol, and ground elm, which can play a role in cooling and stopping bleeding, reducing swelling and pain. As some people are allergic to the ingredients inside the drug, allergic reactions can occur. The use of the paste is due to the non-woven and adhesive material, which can cause the skin to become impermeable for a long time, thus inducing a local allergic reaction, mainly manifested as tingling, blistering, redness or itching. Due to the role of the drug, in the use of the process will promote the peristalsis of the stomach and intestines, some people will be due to their own weak spleen and stomach, resulting in a slight diarrhea after the use of the drug. The use of the drug during pregnancy may lead to miscarriage and should be used with caution.