If you use a mercury thermometer for temperature measurement generally takes 5-10 minutes, the mercury thermometer to measure body temperature in the following three ways: 1, axillary temperature, the thermometer into the armpit, 5-10 minutes to remove, the normal axillary temperature of about 36-37 ℃; 2, oral temperature measurement, the sterilized thermometer into the tongue, after 3 minutes to remove, the normal oral temperature in 36.2- 37.2 ℃ or so; 3, anal temperature measurement, insert the thermometer into the anus about 3-4 cm or so, 3 minutes later removed, the general anal temperature between 36.5-37.5 ℃.