Finger was bitten by a person’s teeth, generally do not need to inject the vaccine, if the wound is deeper need to inject tetanus antitoxin. The hand was bitten by a person’s teeth, generally do not need to inject the vaccine, the main should be timely disinfection of the wound, wipe the wound and the surrounding skin with iodine to keep the skin clean and hygienic, the general situation does not need to be injected with the vaccine. If the wound is large and deep, there is an anaerobic environment, may cause tetanus bacillus infection, need to be injected with tetanus antitoxin or tetanus immunoglobulin, to prevent tetanus bacillus infection. When a finger is bitten by someone’s teeth, it is recommended to first go to the hospital for examination and sterilization, and decide whether tetanus antitoxin injection is needed under the guidance of the doctor.