Stomach pain, diarrhea, gastric distress is mostly considered to be caused by unclean diet and acute gastroenteritis, generally can be treated by pain relief, antidiarrheal, rehydration and anti-infection. 1. Pain relief: mild abdominal pain can generally use a warm towel for hot compresses, or abdominal massage; for abdominal pain is more serious patients, you can use some antispasmodic and analgesic drugs, such as belladonna tablets. 2. Antidiarrheal: for patients with diarrhea, you can generally use antidiarrheal drugs, such as montelukast. 3. Rehydration: If the patient’s diarrhea is severe and symptoms of dehydration occur, the patient can be given rehydration therapy, timely replenishment of water, glucose and electrolytes. 4. Anti-infection: If the patient’s stomach pain, diarrhea and stomach discomfort are caused by infection, quinolone drugs, such as levofloxacin, can be taken. If you have stomach pain, diarrhea, gastric distress, there may be other reasons (irritable bowel syndrome, dysentery, etc.), you need to go to the hospital as soon as possible, complete the examination to determine the cause of the disease, the doctor according to the specific conditions, to develop individualized diagnosis and treatment programs, do not blindly take their own medicine, so as not to delay the condition.