When there is always a low fever of more than 37 degrees, the first thing to observe is the cause of the low fever, and you need to observe what discomfort the patient has. If there is a stuffy nose, runny nose, sore throat and hoarse voice, it is likely that the upper respiratory tract infection is caused by a cold virus. Fever is usually not too serious, that is, fever more than 37 degrees, take some cold medicine or antiviral drugs, the effect is good. You can take some aminogalactone capsules or vitamin C silver warp tablets, cold and fever particles effect is also possible. You can also take some Pu Di Lan anti-inflammatory oral liquid or Blue Scutellaria oral liquid. In addition, a low fever of more than 37 degrees, there may be some digestive system pathology, usually with abdominal pain or diarrhea, you need to check the stool routine. If there are elevated white blood cells in the stool routine, it means that it is an acute gastroenteritis caused by bacterial infection, and you need to take antibiotics for treatment, such as amoxicillin or cefixime, which are available.