Acute gastroenteritis is actually caused by cold, dysbiosis, intestinal dysfunction, and then acute gastroenteritis, in the process of its self-limiting, if regular diet, pay attention to lifestyle, avoid spicy and stimulating diet, raw and cold diet, generally 3-5 days patients can recover on their own. In the case of acute gastroenteritis, caused by a clear bacterial infection, the recovery process may be slow, taking about 1 week to 10 days to recover. However, if appropriate treatment is given during this process, the course of the disease can be shortened.