Acute gastroenteritis after two days of hanging water, there is a slight diarrhea, if accompanied by obvious dehydration, or can not eat normally, oral medication, it is necessary to continue to play the drip; but if the patient is not dehydrated, can be a normal diet, can be normal oral medication, there is no need to continue to play the drip. 1. Need to play drip: acute gastroenteritis patients with severe diarrhea or vomiting can appear serious dehydration, patients must be timely supplementation of fluids to correct dehydration, so as not to cause acid-base balance disorders; patients who can not eat normally or can not be treated with normal oral medication, still need to be treated by intravenous drip. 2. No need for drip: patients without dehydration, only need to be treated by normal oral medication, such as oral levofloxacin capsules, montelukast, bifidobacteria triple live bacterial capsules and other medications, the patient can be cured by normal diet and oral medication, then there is no need for a drip. Need to go to the hospital, by the physician according to the patient’s condition to take appropriate therapeutic measures and methods, they can not be randomly use drugs.