Nausea is a common clinical symptom and is often a prodromal sensation of vomiting. Mild nausea but not vomiting may be caused by a variety of diseases, but also by drug factors, psychiatric factors, dietary factors, need to clarify the specific cause after symptomatic treatment. Common causes and related recommendations 1. Disease factors: common digestive system diseases, such as gastroenteritis, intestinal obstruction, chronic appendicitis, cholecystitis, pancreatitis, etc.; systemic diseases, such as diabetic ketosis, hepatitis, renal insufficiency, etc.; central nervous system diseases, such as inflammation, cranial injury, migraine, motion sickness and inflammation of the inner ear vagus, etc., need to be clarified after detailed examination and targeted treatment; 2. Drug factors: Taking antibacterial drugs, antitumor drugs, or having toxic reactions after eating certain chemicals can also lead to mild nausea. Patients with poisoning need to seek medical attention in the emergency room, and those taking drugs can communicate with their doctors to see if they can switch to other drugs; 3. Psychophysiological factors: If there is excessive psychological stress and long-term anxiety, mild nausea but not vomiting can also occur, and psychological intervention is needed. In addition, women in early pregnancy will have pregnancy reactions, which are normal physiological factors and do not require treatment; 4, dietary factors: eating too much greasy, cold, spicy and irritating food, such symptoms may occur, usually without special treatment. Attention 1, pay attention to a light diet, eat more fruits and vegetables, avoid cold foods such as ice cream and ice cream, drink more warm or hot water, pay attention to abdominal warmth, if necessary, abdominal hot compresses or abdominal massage; 2, early to bed and early to rise, do not stay up late, carry out appropriate exercise to enhance the body’s immunity. Quit smoking and drinking to reduce the damage of alcohol and nicotine to the gastric mucosa.