The main symptoms of norovirus are gastrointestinal symptoms, systemic symptoms, etc. It is recommended to use rehydration, regulating the balance of bacterial flora, intestinal mucosal protectants and other medications. Typical symptoms of norovirus infection are mostly gastrointestinal symptoms such as nausea, vomiting, abdominal pain, diarrhea, etc. Meanwhile, some patients may also be accompanied by systemic symptoms such as fever, dizziness, muscle aches and chills. Norovirus is a self-limiting virus and can be cured without treatment. In most cases, it is only necessary to strengthen one’s immunity and return to normal in about three days. However, for children or more serious patients, the need for timely symptomatic treatment, adjust the function of the gastrointestinal tract, it is recommended that the use of rehydration, regulating the balance of bacterial flora, intestinal mucosal protective agents and other treatments, commonly used drugs for ibuprofen, bifidobacterium bifidum, montelukast and so on. Norovirus is an infectious disease, in the treatment should be timely and good protective measures to avoid cross-infection.