The baby’s body temperature is less than 36 degrees may be due to environmental factors or pathological factors, can be taken according to the cause of treatment, such as adding the appropriate amount of clothing, stop the use of antipyretic drugs, oral warm water, give positive insulation measures. 1. Environmental factors: external environmental interference, including the measurement of the local presence of sweat, cold weather, the baby wearing too little clothing may lead to measure the baby’s body temperature less than 36 degrees, if the baby’s mental state is good, you can give the baby appropriate amount of additional clothing, oral warm water to give positive thermal insulation measures. 2. Pathology: there is a part of the baby due to upper respiratory tract infections, taking antipyretic drugs, may also temporarily appear body temperature less than 36 degrees, after stopping the use of drugs, body temperature will slowly return to normal. The baby’s body temperature continues to be less than 36 degrees and poor mental state, it is recommended to go to the hospital as soon as possible, so as not to delay the condition.