Anorexia and lack of appetite may be due to physiologic factors, gastrointestinal disorders, cardiac disorders and other reasons. It is recommended to treat by removing the triggering factors, medication and so on. 1. Physiological factors: Some people have a bad mood, bad taste of food, over excitement, etc., which may trigger anorexia and lack of appetite. It is recommended to maintain a good mood, correct bad mood, improve the taste of food, etc., can improve the symptoms. 2. Gastrointestinal diseases: when suffering from gastritis, gastric ulcer, enteritis and other gastrointestinal diseases, may also trigger anorexia, no appetite symptoms, it is recommended to use omeprazole, domperidone, lactobacillus tablets and other medications to regulate and improve the symptoms. 3. Heart disease: When suffering from chronic heart failure and right heart failure, it may lead to blood stasis in the digestive tract and symptoms such as lack of appetite and anorexia. It is recommended to remove the triggering factors first, and then use spironolactone, metoprolol, irbesartan and other medications under the guidance of a doctor. There are many causes of anorexia and lack of appetite, so it is recommended to consult a doctor in time to clarify the specific cause of the disease, and then follow the doctor’s instructions to treat the cause of the disease.