Adult body temperature in 36.8 ℃ is normal, most people’s body temperature in 36.0-37.0 ℃ belongs to the normal body temperature, axillary temperature > 37.0 ℃ for fever, sublingual temperature > 37.2 ℃ counted as fever, rectal temperature > 37.7 ℃ for fever. Generally speaking, a person’s body temperature is relatively constant and is less affected by the outside world. If the body temperature fluctuates and does not exceed 1℃, it is usually slightly higher than usual after eating or exercising, drinking hot water or sunbathing. Women’s body temperature will be slightly higher during menstruation and pregnancy, older people’s body temperature will be relatively lower, and children’s body temperature will be relatively higher. A very small number of people have a body temperature of 35.0-36.0°C, which is also considered normal.