Suddenly not wanting to eat meat can be a functional condition or an organic disease. If you are under emotional or mental stress, or if you are not well rested, it can also affect your appetite and cause a sudden desire to eat meat. In addition, if a woman of childbearing age is pregnant, it can also lead to a desire not to eat meat. In addition to functional problems, it is also necessary to consider whether there are organic lesions, the most common organic lesions are gastrointestinal diseases of the digestive tract, infection with Helicobacter pylori and whether suffering from gastritis, gallbladder diseases and pancreatic diseases, these digestive system diseases can lead to a weakened digestive function. In particular, we should first rule out digestive problems when there is an aversion to greasy foods, or when there is abdominal discomfort, bloating and pain after eating greasy foods, etc. In addition to digestive system diseases, when patients suffer from cardiovascular problems or other systemic system diseases, such as renal insufficiency, they may also have the condition of not wanting to eat meat and other fatty foods. Therefore, if the patient suddenly does not want to eat meat, and if it is accompanied by weight loss or other systemic alarm symptoms, the patient should be advised to go to the hospital for symptomatic diagnosis and treatment to rule out organic diseases, in addition to the functional condition.