The price of influenza vaccine is divided into domestic and imported, the price of imported is slightly higher, domestic is relatively cheap, the price of domestic vaccine is about 70 yuan, the price of imported vaccine is about 80~90 yuan. Influenza vaccine belongs to the second category of vaccines, that is, belongs to the national mandatory immunization outside the vaccine, patients can choose to inject, you can choose not to inject, the main purpose of the flu vaccine is to prevent influenza, patients can choose to inject the flu vaccine every year before the month of December.