For human beings, it is for rabies post-exposure prophylaxis, rabies vaccine does not need to be played every year; if it is pre-exposure prophylaxis, it can be reinforced every 1~3 years. 1. Post-exposure prophylaxis: the main role of the rabies vaccine is to prevent rabies, rabies is a more dangerous malignant infectious diseases, infection has a 100% mortality rate. After being scratched or bitten by animals such as cats or dogs, i.e. after exposure, rabies vaccination can effectively reduce the incidence of rabies. This situation only needs to be vaccinated after exposure, and does not need to be vaccinated every year. 2. Pre-exposure prophylaxis: If you have not been scratched or bitten by a canine animal, but are in regular contact with animals and have a certain risk of developing the disease, you can receive 3 shots of rabies vaccine to prevent the disease in healthy people engaged in high-risk work, respectively on the 0th day, the 7th day, and the 28th day, and you can be reinforced with the vaccine every 1~3 years. In addition, it should be noted that there is no effective treatment for rabies, so once you are bitten or scratched by dogs or cats, you must clean the wound in a timely manner and receive the rabies vaccine at the first time to avoid serious consequences.