Children vomiting and diarrhea without spirit, the possible causes include acute gastroenteritis, food poisoning, gastrointestinal flu and other diseases. 1. Acute gastroenteritis: children vomiting, diarrhea, mostly due to gastrointestinal infections, the disease affects the child’s appetite, sleep, physical discomfort, etc. will make the baby’s spirit, while vomiting, diarrhea will also take away a lot of water, which may cause the body to be dehydrated, resulting in a lack of spirit. 2. Food poisoning: If children eat poisonous food, it may cause vomiting, diarrhea and other symptoms, usually with the characteristics of aggregated morbidity. 3. Gastrointestinal colds: mostly caused by viral infections, which stimulate the gastrointestinal tract and cause vomiting and diarrhea, accompanied by fever, abdominal pain and other discomforts. Children vomiting and diarrhea without spirit, 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.