Fever after interventional embolization needs to find out the causes, such as absorbed fever, infection, etc., and then give symptomatic treatment to lower the temperature or anti-infection and other causative treatments. 1. Absorption of fever: interventional embolization is mainly used for bleeding or tumor disease, after intervention, tumor necrotic tissue or bleeding is absorbed, which will lead to fever, patients with low fever do not need special treatment, rest more, drink more water, and those who have obvious fever can be physically cooled down, for example, warm water bath, ice packs, etc. Those with high fever can be treated with oral antipyretic and analgesic drugs, for example, ibuprofen, and so on. Those with high fever can take oral antipyretic and analgesic drugs, such as ibuprofen tablets, diclofenac and so on. 2. Infection: Interventional complications of infection is a common complication, through the blood routine and other related checks, combined with other symptoms to determine the diagnosis, usually caused by bacterial infections, can be given antibiotics to fight infection, such as penicillin, cephalosporin, levofloxacin and so on. In conclusion, fever after interventional embolization needs to exclude autoimmune diseases, hyperthyroidism and other diseases. For fever after interventional embolization, the cause should be clarified and actively treated under the guidance of the doctor.