Tumor fever is due to the endogenous pyrogen produced by tumor cells, which triggers immune and inflammatory reactions, followed by the symptoms of fever. For the treatment of tumor fever, the following treatments can be considered: 1. Drinking water and resting, some patients’ fever is short-term and temporary, and it does not need treatment if it does not affect the body much, drinking more water and paying more attention to rest can relieve the symptoms; 2. body temperature, but the long-term use of such drugs requires consideration of adverse drug reactions. Therefore, the clinical treatment should be different according to different situations.