Patients with fever after tooth extraction indicates the occurrence of infection in the extraction sockets and even bacteraemia, the specific drugs to be taken are as follows: 1. Antibiotics: Immediately adopt sufficient amount of antibiotics for anti-inflammatory treatment, the antibiotics that can be chosen are cephalosporin capsules, amoxicillin dispersible tablets and metronidazole tablets for combined anti-inflammatory treatment. Patients who are allergic to penicillin antibiotics can use erythromycin enteric capsules with metronidazole tablets for anti-inflammatory treatment. If, after tooth extraction, the fever is accompanied by severe facial swelling, restricted mouth opening, swollen jaw lymph nodes and a series of other reactions, intravenous infusion is recommended for anti-inflammatory treatment. 2. Antipyretic and analgesic drugs: For patients with severe fever, antipyretic and analgesic drugs, such as paracetamol or ibuprofen, can be used to lower the temperature, and physical cooling can also be used. The method to cool down the treatment.