Vomiting is a natural reflex, and irritation of the epiglottis and stimulation of this area by food reflux may lead to a severe vomiting reflex. 1, mycoplasma infection caused by cough, mainly night cough, the child will be violent after the contraction of the epiglottis, so that undigested food in the gastrointestinal tract because of the stimulation of vomiting, to prevent night vomiting should be treated cough, then we give the child before bed, with budesonide and terbutaline nebulizer treatment and oral ketotifen, to relieve the symptoms of this cough, this symptom of night vomiting, should be able to relieve The symptoms of nocturnal vomiting should be relieved. 2, before bedtime children eat too much, especially eat some less easily digested and absorbed food, resulting in a decrease in the gastrointestinal tract grinding function, gastric dilatation, resulting in food reflux, causing vomiting, may also be accompanied by obvious vomiting and diarrhea. If this problem occurs, give the child with probiotics such as Bifidobacterium or Bacillus subtilis, and with the elimination of the Cadua or four mill soup, so as to achieve the efficacy of treatment, diet must be less food, do not eat before going to bed at night, do not eat too greasy dinner, light diet, basically about 3 to 5 days should be able to relieve.