The sudden onset of fever in a rabbit bite wound after 24 hours without injection is usually considered to be an inflammation of the wound or a Clostridium tetani infection. 1. Inflammation: Rabbit bite wounds generally present as deep tissue wounds. Within 24 hours after the bite, if there are more susceptible bacteria such as Staphylococcus aureus in the environment outside the wound, the wound will be directly infected and cause inflammatory injury, and the wound will appear red, swollen, feverish, painful and other symptoms, which may even lead to fever in the body. 2. Tetanus: Generally after being bitten by an animal, if there is no risk of rabies virus infection, tetanus vaccination is also needed. Rabbit bite wounds are deep, so it is easy to produce an anaerobic environment, which may cause the growth of Clostridium tetani, causing tetanus attacks, which will lead to fever and fever. Animal bites should be promptly debrided and vaccinated.