Intestinal worms, also known as albendazole, is a broad-spectrum anthelmintic drug, which is generally contraindicated for those who are allergic to this type of drug, pregnant and lactating patients, and those with liver and kidney insufficiency. 1. Allergic: patients allergic to this drug, easy to take hives, fever, fatigue, dizziness and other discomforts, serious cases will appear laryngeal edema, respiratory difficulties, and even death. 2. Pregnant women, lactating patients: studies have shown that large amounts of Albendazole can cause fetal malformation, so pregnant women, lactating patients are contraindicated. 3. Liver and kidney insufficiency: Albendazole is mainly metabolized by the liver into propylthiobenzoic acid, which is absorbed by the body and excreted through the liver and kidney, if the patient’s liver and kidney insufficiency, taking Albendazole will easily lead to liver and kidney failure. Patients must consult a physician before using the drug, and apply it under the guidance of the physician, not blindly choose drugs for treatment.