Half an hour after drinking hot water to measure the temperature is the best time, because drinking hot water will promote blood circulation in the body, the human body temperature will have a small increase in body temperature at this time there will be a certain degree of error, if this time to measure the temperature of the oral cavity, after drinking hot water to measure the temperature may also be high fever, so it is best to wait for half an hour, the body temperature back to normal and then go to the measurement of the temperature is the best. Normal body temperature is between 36-37 ℃, if the temperature exceeds this temperature, you need to carry out timely physical cooling, if there is a high fever, you need to take fever-reducing drugs, go to the hospital and listen to the doctor’s advice, and actively cooperate with the doctor’s treatment.