A one-year-old child who took fever-reducing medicine with a temperature of 35.8 degrees Celsius may be caused by taking medicine in an incorrect way, such as taking too much medicine or taking fever-reducing medicine when the temperature is lower than 38.5 degrees Celsius or below, etc. This can be caused. You can do this by keeping warm, drinking warm water and improving your diet. 1. Enhance the warmth: 35.8 ℃ belongs to the low body temperature, can be appropriate to add clothing to the child, try to avoid catching cold, avoid taking the child to the colder places. 2. Drink more warm water: let the child drink more warm water, can promote the metabolism is conducive to the recovery of body temperature, need to pay attention to avoid drinking cold water or carbonated beverages. 3. Improve diet: let the child eat some millet porridge, corn porridge and other food, through the intake of food can promote the recovery of body temperature, need to pay attention to avoid eating some cold food. Children taking antipyretic drugs after hypothermia, most of the above methods body temperature will gradually return to normal, if persistent hypothermia need to go to the hospital for treatment, usually should pay attention to follow the doctor’s instructions for medication, do not give your child medication.