A temperature of 36.9 is considered normal and is not a fever. The commonly used clinical temperature measurements are oral, axillary and anal temperatures. The normal value of oral temperature is 36.3-37.2℃; the normal value of axillary temperature is 36-37℃; the normal temperature of anal temperature is 36.5-37.7℃. Generally body temperature over 37.3 ℃ is fever, so 36.9 is the normal value of body temperature, there is no fever. Clinically, fever is usually divided into 4 levels, 37.3-38 ℃ for low fever, 38.1-39 ℃ for moderate fever, 39.1-40 ℃ for high fever, 41 ℃ or more for ultra-high fever. Patients with fever symptoms should go to the hospital in a timely manner, under the guidance of the physician to carry out relevant examinations, identify the cause of the disease and actively cooperate with the treatment.