Acute gastroenteritis is an acute inflammation of the gastrointestinal mucosa, with clinical manifestations such as nausea, vomiting, abdominal pain, diarrhea, and fever. The disease often occurs in the summer and fall, and is often associated with improper diet, overeating, or eating cold, rancid, or unclean food. Most acute gastroenteritis causes mild diarrhea, which is generally good, with less than 10 stools per day, yellow or yellow-green, with a small amount of mucus or white soap or not much fecal matter, and sometimes with egg-flake soup-like stools. Acute gastroenteritis can cause heavy diarrhea, the number of times to dozens of stools per day, watery stools with a small amount of mucus, nausea, vomiting, low appetite, sometimes vomiting coffee-like objects, such as hypokalemia, there may be abdominal distension, systemic toxicity performance. If irregular hypothermia or hyperthermia irritability, and then mental discomfort, hazy consciousness, or even atrophy, so that acute gastroenteritis is to be actively treated.