Can’t eat fat meat once eat nausea may be pregnancy reaction, gastritis, gastric ulcer, cholecystitis and other reasons. 1. Pregnancy reaction: women of childbearing age, if in early pregnancy, due to hormonal changes in the body will have a reaction to vomiting, fat meat is more greasy, once you eat fat meat may appear nausea. Pay attention to a light diet, avoid greasy food, generally do not need special treatment. 2. Gastritis, peptic ulcer: gastritis and other digestive diseases will affect the secretion of gastric acid and other digestive juices, digestive function is reduced, eat fat meat is not easy to digest, nausea and vomiting may occur. You can use magnesium aluminum carbonate to protect the gastric mucosa and promote the repair of damaged gastric mucosa. 3. cholecystitis: bile secretion and excretion of obstacles, can not be fully digested and absorbed greasy fat, the phenomenon may occur. Ursodeoxycholic acid can be used to promote bile excretion. Excluding physiological reasons such as pregnancy reaction, there may also be acute hepatitis, pancreatitis and other reasons, you should consult a doctor in time, under the guidance of the doctor to identify the causes, and reasonable treatment, so as not to delay the treatment.