Mercury thermometer using methods, including anal temperature measurement, oral temperature measurement and axillary temperature measurement, etc., different measurement parts of the measurement of different ways, for example: measuring anal temperature first anal table mercury round end coated with a little lubricant, and then slowly inserted into the anus of about 3-5 centimeters, and hold the upper end of the anal table with your hand, and then take out the 3 minutes after the observation of the temperature value. 1. When using a mercury thermometer, first gently shake the mercury column inside the thermometer to below 35℃. 2. Before using the mercury thermometer, be sure to sterilize the mercury thermometer by immersion. 3. When using a mercury thermometer to measure body temperature, be sure to strictly grasp the time, for example, measuring the oral temperature should ensure that the measurement time of about 5 minutes; measuring the temperature of the armpit should ensure that the measurement time of about 8 to 10 minutes; measuring the anal temperature should ensure that the measurement time of about 2 to 5 minutes. 4. Before using the mercury thermometer to measure, pay attention to clean the local, such as wiping the armpits, to keep the armpit parts of the skin dry; appropriate wipe the mucous membrane of the skin around the anus, to maintain the cleanliness of the skin around the anus. As the measurement of body temperature belongs to a professional operation, the specific circumstances need to ask the doctor to measure body temperature.