Measuring different parts of the body temperature, such as the armpit, mouth, anus, the measurement time is different, different thermometers, such as mercury thermometer and electronic temperature, the measurement time is also different. When using a mercury thermometer to measure axillary temperature, dry the armpit first, place the head end of the thermometer deep in the armpit, clamp the thermometer on the upper arm, and take out the reading after 10 minutes; when measuring oral temperature, place the head end of the sterilized thermometer under the patient’s tongue, let him close his lips tightly, and take out the reading after 5 minutes, but this method cannot be used for infants and the confused; when measuring anal temperature, let the patient take a lateral position, put the anal thermometer After applying lubricant to the head end, slowly insert it into the anus up to half of the length of the thermometer, and take out the reading after 3 minutes. The electronic thermometer is faster, usually taking only about 15 seconds. In addition, eating, strenuous exercise, labor, and emotional stress can lead to a high temperature, and these conditions should be avoided when taking the temperature.