After using the thermometer, it should be disinfected. For mercury thermometers, you can first rinse them with water, then soak them in 75% medical alcohol for 3-5 minutes, let them dry, and put them in a cleaning box for later use. For electronic thermometers, alcohol cotton balls can be used to wipe and disinfect.

According to the type of thermometer, read the displayed body temperature value. For a mercury thermometer, you should hold the glass end of the thermometer, which is far away from the mercury column, so that your eyes are at the same level as the thermometer. Then, slowly rotate the thermometer to read the corresponding temperature value when you see the thick mercury column from the front. Be careful not to touch the mercury end of the thermometer with your hands when reading, otherwise it will affect the mercury column reading and cause inaccurate measurement.

A household thermometer is a practical tool that can help people better understand and grasp the temperature situation of their environment, and take corresponding measures to maintain a comfortable and healthy environment.

It should be noted that when using a household thermometer, it should be ensured to operate correctly according to the instructions and avoid exposing it to extreme temperatures or humid environments to ensure the accuracy of its measurement results. Meanwhile, for certain special types of thermometers, such as mercury thermometers used to measure human body temperature, they should be handled properly after use to avoid environmental pollution.

The advantages of household thermometers lie in their portability and high-precision measurement capabilities. Due to its small and lightweight size, it can be carried anytime, anywhere and used in different indoor environments, such as homes, offices, schools, etc. At the same time, it can quickly and accurately reflect changes in environmental temperature, thereby helping people monitor and regulate indoor temperature, providing a comfortable and healthy living environment.