After eating watermelon vomited more than ten times, bile are vomited out, consider acute gastroenteritis, need to adjust the diet, metoclopramide and other antiemetic treatment, replenish electrolytes. 1. Dietary adjustment: first of all, fasting, water, can not eat any food, to reduce the burden on the gastrointestinal tract, so as not to aggravate the vomiting. 2. Antiemetic treatment: If the vomiting is serious, intramuscular metoclopramide can be injected to stop the vomiting. 3. Supplementation of electrolytes: more severe vomiting may cause electrolyte disorders, potassium chloride, sodium chloride, glucose, etc. can be given to correct electrolyte disorders. 4. antidiarrheal treatment: vomiting accompanied by diarrhea, can be given antidiarrheal drugs, such as montelukast, to promote intestinal mucosal repair, play the role of antidiarrheal. After eating watermelon vomited a dozen times, bile are vomited out, it is recommended to go to the hospital as soon as possible, the specific medication in the physician’s guidance under the application, do not take their own medication.