Diarrhea, clinically known as watery diarrhea, is a very common symptom and occurs for a number of reasons, which need to be combined with the recent diet, past medical history and examination results to determine the cause and treat the cause. The more common causes are the following: 1, improper diet: if you recently ate unclean, spoiled food, or ate more cold, spicy and irritating food, or recently the abdomen is cold or too emotional tension and excitement, may cause watery diarrhea, generally speaking, the abdomen hot compresses, adjust the diet will be relieved, daily attention to diet and living, to develop good habits; 2, intestinal infection: including bacterial infection 2, intestinal infections: including bacterial infections, viral infections, parasitic infections, etc., patients often accompanied by diarrhea, fever, vomiting and other uncomfortable symptoms, should promptly consult a doctor and follow medical advice to take compound diphenoxylate, montelukast and other drugs to stop diarrhea. If the infection is bacterial, levofloxacin, norfloxacin and other drugs can be used to control the infection. If a viral infection is involved, such as rotavirus or norovirus infection, relevant antiviral drugs need to be applied. In addition, if the patient has severe abdominal paroxysmal pain, he or she needs to take scopolamine to relieve abdominal pain under the guidance of a doctor; 3. Other digestive tract problems: for example, intestinal flora imbalance, will often diarrhea, usually not accompanied by other symptoms, can follow medical advice to take lactobacillus tablets or Bacillus subtilis to regulate intestinal flora; in addition, various types of colitis, intestinal tumors, intestinal cancer, etc. may also cause In addition, various types of colitis, intestinal tumors and intestinal cancers may also cause watery diarrhea, which should be treated accordingly according to the examination results, for example, colitis can be treated with anti-inflammatory drugs such as mesalazine and methylprednisolone, while intestinal tumors and cancers can be treated by surgical resection, together with radiotherapy, chemotherapy and bioimmunotherapy; 4. Patients with chronic pancreatitis need to take drugs such as clarithromycin and metronidazole for anti-inflammatory treatment as prescribed by the doctor, while patients with chronic hepatitis need long-term antiviral treatment and attention to a low-fat diet in daily life; chronic cholecystitis may also have watery diarrhea and significant right upper abdominal pain, which can be treated with oral ursodeoxycholic acid for litholysis. In addition, if the patients themselves suffer from systemic diseases such as hyperthyroidism and diabetes, they may also have neurological complications and watery diarrhea, which is usually more severe after meals or at midnight, and targeted treatment can be used in combination with the primary disease. Diabetic patients should be treated with drugs such as metformin and acarbose combined with insulin in strict accordance with the doctor’s requirements, while hyperthyroid patients need to be treated with oral methimazole, propylthiouracil, carbimazole and other drugs, and if necessary, surgery is required.