More than three-year-old baby mouth ulcers temperature of 37.2 ℃, there may be a normal temperature; there may also be an imminent fever. Body temperature 37.2 ℃ is belongs to the critical temperature, generally under the armpit temperature of 37.3 ℃ or less is a normal temperature. At this point, if your baby has oral ulcers and a temperature of 37.2°C, you need to continue to observe and keep measuring the temperature to rule out fever. Due to oral ulcers, some children will be combined with fever, so if the subsequent temperature continues to rise, we should suspect that oral ulcers cause systemic infection, high fever can be prescribed by the use of ibuprofen, acetaminophen and other antipyretic treatment, while the corresponding treatment for the cause of oral ulcers. More than three-year-old baby mouth ulcers temperature 37.2 ℃, need to actively seek medical attention, under the guidance of the doctor’s scientific treatment, not unauthorized use of drugs.