Infrared thermometer is widely used in our country, it was promoted after SARS, it has the advantages of non-cross infection and accurate measurement results, and mercury thermometer are widely used clinically. Infrared thermometer is more suitable for pediatric temperature measurement, it is inconvenient for children to use other measurement methods in their sleep, infrared thermometer can quickly and accurately display the body temperature, if the body temperature is greater than 38.5 ℃, should be given ibuprofen suspension oral control of body temperature, to avoid causing convulsions in infants and children. Infrared thermometer can play a very big role in the epidemic season of infectious diseases, as schools, hospitals, employees screening temperature, early detection of abnormally high temperature patients do isolation, to avoid large areas of cross-infection. So the results of infrared thermometer measurements should be trusted, because it is the same as the mercury thermometer measurements, are very accurate.