37.8℃ is a low fever. Patients may not have any obvious discomfort during this period, and some patients may experience slight weakness and dizziness. During this period, patients should rest in bed, drink warm water, adjust the room temperature to a comfortable temperature according to the season, ask patients to wear breathable clothes, and use warm water to bathe their whole body. If there is a persistent increase in body temperature, the patient will be treated according to the increase. Generally, when the body temperature exceeds 38.8℃, consider using antipyretic drugs for treatment. However, all the above treatments are symptomatic. If there is recurrent fever, it is still recommended to go to the hospital for examination to clarify the cause and carry out etiological treatment.