When you have a low fever all the time, it is still complicated to find the cause of the fever and treat it.1 The simplest cause is often a chronic infection, which is easier to treat at this time, and you need to diagnose whether the infection is a viral infection or a bacterial infection. If viral infection occurs, ribavirin can be used for treatment, if bacterial infection occurs, it is best to do blood culture, according to the type of infection, choose the appropriate, sensitive antibiotics for anti-inflammatory treatment. 2, in addition, for the case of low-fever, you can use proprietary medicines for the treatment of fever, the side effects of which are relatively small, and also have a better effect on the reduction of low-fever, such as antelope horn The effect is good. 3, but there are some special circumstances caused by low fever, the treatment is more complicated, such as tuberculosis, need to go to a professional tuberculosis hospital for anti-TB treatment, the effect is better. 4, if a malignant tumor caused by low fever, the prognosis is often not very good.