Acute diarrhea has a rapid onset, with up to 10 or more bowel movements per day and large and thin stools. The main treatment is anti-infection, rehydration therapy and antispasmodic analgesic and other supportive treatment. In acute diarrhea, the number of bowel movements increases significantly and may be accompanied by abdominal pain and distension, nausea and vomiting. In case of acute diarrhea, the main treatment is symptomatic. First of all, it is still recommended to go to the hospital to do the necessary tests first, such as blood and stool routine, colonoscopy, etc. Check whether there is bacterial or viral infection, and if infection is found take antibiotics or antiviral treatment in time. When the number of stools is particularly high, a mucosal protector can be used to protect the mucosa of the gastrointestinal tract. Next is rehydration therapy, because of the large number of bowel movements, the body lost a lot of water, resulting in electrolyte and acid-base balance imbalance, need to take oral rehydration salts to avoid dehydration, serious cases need to infusion therapy, also need to drink more water. When abdominal pain needs to be relieved, drugs that inhibit the spasm of gastrointestinal smooth muscle can be used to relieve spasm and pain. Acute diarrhea can cause fever, nausea and vomiting and other systemic symptoms, which can be combined with the use of some antipyretic drugs. Acute diarrhea is mainly related to infection, the key to treatment is still anti-infection treatment, and with related supportive therapy. It is also necessary to actively carry out prevention, pay attention to dietary hygiene and avoid getting cold.