The value of the thermometer is between 35.0-42.0°C, so it can be taken when it is dumped below 35.0°C. Normal body temperature is usually between 36.0-37.0°C, but some patients have a temperature between 35-36°C. This group of patients has a low basal body temperature, so the thermometer should be shaken to below 35.0°C. The thermometer can be measured by sublingual, axillary or anal, and most of them are more often measured by sublingual and axillary measurements. The normal value of sublingual body temperature is between 36.3 and 37.2°C, and greater than 37.2°C is considered feverish. The normal value of axillary body temperature is between 36.0-37.0°C, and greater than 37.0°C is considered feverish. A small number of patients use rectal temperature measurement, which ranges between 36.5-37.7°C. The rectal temperature is the closest to the body temperature.