Acute gastroenteritis is a common clinical condition, usually caused by unclean diet or eating spicy and irritating, or foreign land and water. Acute gastroenteritis is also a relatively common disease, the clinical symptoms are relatively mild, most people can carry on healing, such as 3-7 days. If you pay attention to rest, pay attention to a light diet and drink more water, these can be cured in 3-7 days. However, there are acute gastroenteritis is also more serious, such as vomiting can not eat, diarrhea more often, or even mucus-purulent stool, accompanied by weakness, mental lethargy, these may be combined with electrolyte disorders, dehydration, and even acid-base imbalance, to the hospital for related consultation, to avoid complications, the time is longer. Acute gastroenteritis should be prevented, avoid overeating, pay attention to a light diet, go to a foreign place must pay attention to avoid humidity, eating cold or unclean fruits and vegetables. Acute gastroenteritis should also be treated actively to avoid delaying the condition and turning it into chronic enteritis.