In infancy and early childhood, because the development of the internal organs is not yet perfect, when the small abdomen is cold at night, some manifestations of indigestion such as abdominal pain, diarrhea and loss of appetite can easily occur. For adults, diarrhea and abdominal pain from a cold abdomen are most commonly known as gastrointestinal colds. In Western medicine, gastrointestinal flu is mainly caused by coxsackie virus and may be accompanied by bacterial mixed infections. In Chinese medicine, gastrointestinal flu is mainly caused by external wind-cold and internal dampness. At the beginning of the illness, patients may feel abdominal pain, bloating, nausea, vomiting, diarrhea and even fever. As the illness progresses, patients may experience frequent diarrhea and even dehydration. Wang Zhen oral liquid is excellent for relieving gastrointestinal colds, while patients should pay attention to more rest, and if they suspect symptoms of, dehydration, timely replenishment of fluids, oral rehydration salts can be used. In conclusion, for patients with gastrointestinal colds, prevention in general is also important. For example, drink more water and try to consume less cold drinks. Eat more fresh vegetables and fruits. Keep indoor air circulation, and try to go to less crowded places. When you sleep at night, try to cover yourself well to avoid getting a cold in your abdomen, and also pay attention to getting a cold in your abdomen when you turn on the air conditioner in summer.