Nausea with diarrhea symptoms are two of the more common clinical symptoms, and there are more reasons for their formation. It is necessary to consider the recent diet, living conditions and past disease history, mainly considering acute gastroenteritis, gastrointestinal power disorder, or other systemic diseases. Common causes 1, acute gastroenteritis: generally due to unclean food, bacteria, viruses and other microorganisms invade the body caused by infection, inflammation stimulates the intestinal mucosa, some patients will also appear similar symptoms after cold, eating spicy food; 2, gastrointestinal power disorders: mental factors for the main cause of the disease, such as emotional tension, anxiety, etc., can affect the normal activities of gastrointestinal function, which causes nausea, diarrhea, etc. Symptoms; 3, other systemic diseases: such as uremia, poor liver function, resulting in the accumulation of toxins in the body, can also stimulate the gastrointestinal nerves, nausea, vomiting and diarrhea symptoms. Treatment 1, diet: pay attention to avoid eating cold, greasy, spicy and stimulating food, prohibit smoking and alcohol to avoid aggravating the burden on the gastrointestinal tract, you can eat some steamed buns, noodles and other easily digestible food. In addition, if the number of diarrhea is high, you should also be alert to the symptoms of dehydration, and should promptly rehydrate, or appropriately supplement salt in warm water to avoid water and electrolyte metabolism disorders; 2. Medication: montelukast to stop diarrhea, bifidobacterium to regulate intestinal flora to improve diarrhea symptoms, metoclopramide to relieve nausea, vomiting and other uncomfortable symptoms. If bacterial infection appears with fever and elevated white blood cells, norfloxacin and levofloxacin can be used for anti-infection treatment. If it is caused by uremia and poor liver function, hemodialysis and liver tonic treatment need to be actively carried out to improve the symptoms and enhance the patient’s survival quality. The causes of nausea and diarrhea are many, so it is recommended that patients actively seek medical advice to identify the causes and give reasonable treatment, which can usually improve the symptoms.