There is no big difference between high and low basal body temperature. If the body does not have pathological fever, it is normal, but when measuring the basal body temperature, the method and time are very important. Usually, when measuring the basal body temperature, choose to take it in the early morning, awake, fasting and resting state, when the body is not affected by external influences, the temperature is more standard. When taking the temperature, it should be noted that if you choose the armpit as the location to take the temperature, you should use a towel or cotton cloth to wipe out the sweat, so as not to affect the temperature reading due to sweat evaporation, and also when taking the temperature, you should let the thermometer and body contact for at least 10 minutes, so that the body heat and the thermometer fully exchange, the temperature value is the accurate body temperature.