Live oral rotavirus vaccine should be stored at a temperature of 2~8 degrees Celsius and protected from light. Live oral rotavirus vaccine, after vaccination, will stimulate the body to produce immunity to group A rotavirus, and is mainly used clinically to prevent diarrhea caused by group A rotavirus in infants and children. Live vaccines should be stored at low temperature (2~8 degrees Celsius) and protected from light to avoid affecting the activity of the vaccine. Failure to store the vaccine at low temperature will affect the preventive effect, and there may be other adverse reactions. Adverse reactions: transient vomiting and diarrhea may occur, usually disappear within 2~3 days; transient fever may occur after 1~2 weeks, usually relieved by resting and drinking more water. Contraindications: allergic to any component of the vaccine and excipients, gentamicin allergy is prohibited; acute disease or severe chronic disease, as well as the onset of chronic disease and fever, is prohibited; immunodeficiency, immunocompromised, or patients receiving immunosuppressive drugs is prohibited. It is recommended to use the vaccine under the guidance of a doctor to avoid abusing it yourself.