Children vomiting and diarrhea, drinking water are vomiting, mainly consider acute gastroenteritis, food poisoning, etc., the main use of physical therapy, medication for relief. 1. Gastroenteritis: when patients with acute gastroenteritis cause vomiting and diarrhea, mainly through a large number of water, to relieve the current symptoms. It is recommended to infuse glucose, saline, antibiotics and other drugs to alleviate the symptoms. 2. Food poisoning: If vomiting and diarrhea caused by food poisoning, it is recommended that prompt emetic treatment, if necessary, need to carry out gastric lavage, the need for a large number of output of vitamin C, saline for hydration. Children vomiting diarrhea drinking water are vomiting, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment can not be used privately.