Carbapenem tablets should be taken after meals. Carcinosuppressant tablets are usually taken within 15-30 minutes after meal. Taking it before meal may cause some stimulation to the stomach and intestines, resulting in nausea and vomiting, stomach pain or loss of appetite. After meal, as there is food in the gastrointestinal tract, it can reduce the stimulation of the drug to it, and reduce the appearance of some gastrointestinal reactions. This product has the efficacy and effect of anti-cancer, anti-inflammatory and asthma. It is mostly used in the treatment of esophageal cancer, gastric cancer, lung cancer, and also has certain curative effect on colorectal cancer, cervical cancer, leukemia and other malignant tumors, and can also be used in conjunction with radiotherapy, chemotherapy and post-surgery treatment. It should be noted that pregnant women are forbidden to use this drug. Individual cases of loss of appetite, decrease of white blood cell, increase of transaminase, fever, joint pain, drug rash, etc. may occur after the use of Carbapenem, which generally do not require special treatment. It is necessary to use the medicine under the guidance of doctor and avoid self-medication to prevent delaying the condition.