Gastrointestinal colds generally refer to symptoms of gastrointestinal dysfunction caused by upper respiratory tract infections, and are somewhat contagious. Upper respiratory tract infections are caused by various viruses and bacteria infecting the upper respiratory tract due to exposure to cold air, chilling, low immunity and other factors. If accompanied by coxsackie virus infection, it can spread in the body respiratory tract and digestive tract, causing gastrointestinal dysfunction, so it has a certain degree of contagiousness. In addition to the respiratory and systemic symptoms of upper respiratory tract infection, clinical manifestations mainly include loss of appetite, diarrhea, fever, nausea, vomiting and other symptoms. Treatment usually uses non-steroidal anti-inflammatory drugs such as nimesulide and aspirin to relieve fever, and drugs such as montelukast and haloperidol to absorb intestinal water and reduce diarrhea. When symptoms of gastrointestinal dysfunction caused by upper respiratory tract infection occur, it is recommended to go to the hospital.