You can generally drink carbonated beverages at room temperature in moderation after the New Crown vaccine, and try not to drink iced carbonated beverages. If you experience nausea, vomiting, loss of appetite and other uncomfortable symptoms after the New Crown vaccine, carbonated beverages are not recommended in this case. Vaccination is the injection of specific antigens that have no harmful effect on the body into the body, and specific antibodies are produced in the body through the body’s specific immune effect. In this way, if the same virus antigen invades the body again, the specific antibodies will react quickly and activate the immune system to avoid infection with the virus. In general, you can drink carbonated beverages after the New Crown vaccine and it will not have a significant effect on your body or the immune effect. However, after the New Crown vaccine, the stimulation of the immune system may cause the body to produce uncomfortable symptoms such as nausea, vomiting, loss of appetite, and in severe cases, fever of different degrees. At this time, it is not suitable to drink carbonated beverages, especially not cold carbonated beverages, and you can drink more water in small amounts to help the body metabolize and reduce the adverse reactions. In case of serious adverse reactions, you should go to the hospital for examination and treatment in time. After vaccination, you should keep sufficient rest and a light diet to maintain the immunity of the body, which can help the body to complete the immune response. At the same time, you should avoid contact with water at the injection site to cause bacterial infection, etc. Avoiding heavy physical work can also help the body to carry out the immune response to a certain extent and form immunity against the new coronavirus.