1. First rinse the thermometer with soapy water and clean water.

2. After drying, put them all in a disinfection container and soak them for 5 minutes, then take them out, and then put them in another container filled with disinfectant and soak them for 30 minutes and then take them out.

3. Rinse with water, then dry it with sterile gauze and store it in a clean container for later use.

4. The anal surface, armpit surface and oral surface should be cleaned and disinfected respectively.

5. Commonly used disinfectants are: 75% alcohol, 0.2% bromogeramine, 1% peracetic acid solution, etc. Disinfectants and cold boiled water should be replaced daily, and thermometers and containers should be thoroughly cleaned and disinfected once a week.