<p>The vaccine should not be used if vaccine bottle has cracks or unclear labels, the vaccine is beyond shelf life, and abnormal appearance (such as turbidity) is observed after reconstitution. The vaccine should be used immediately after opening. Epinephrine and other drugs should be prepared for emergency use in case of occasional severe allergic reaction. The people receiving vaccination should be observed at the site for at least 30 minutes after injection. The people receiving injection of immune globulin should be vaccinated with an interval of at least 3 months so as not to affect the immune effect. Other attenuated live vaccine should be vaccinated with an interval of at least 1 month from this vaccine, but this vaccine can be vaccinated simultaneously with attenuated live mumps vaccine. This product is an attenuated live vaccine and it is not recommended to be used in the epidemic season. Women of childbearing age should avoid pregnancy within at least 3 months after injection of this vaccine. Freezing is prohibited.</p>