Nausea and vomiting after eating fatty meat may be related to an anorexic diet, or to diseases of the hepatobiliary system such as fatty liver, gallstones and cholecystitis. 1. Physiological reasons. Some people don’t like to eat fat meat, anorexia greasy, if eat fat meat may cause nausea and vomiting, this is a physiological reason, mostly related to personal eating habits, do not need to worry too much. 2. Pathological reasons. Human bile is used to promote the digestion and absorption of fat, and the liver is the organ that secretes bile, the gallbladder is the main organ that stores bile, when the human body suffers from fatty liver, viral hepatitis, cholecystitis, gallbladder stones and other liver and gallbladder diseases, can cause digestive dysfunction, resulting in nausea and vomiting after eating fatty meat. When long-term nausea and vomiting after eating fatty meat or anorexia greasy, can go to the hospital for liver and gallbladder related physical examination, in order to exclude disease factors.