Fever after MMR vaccination in children can be treated by general treatment, physical cooling and medication. Most of the fever after MMR vaccination belongs to the general reaction of the vaccine, mostly transient fever. 1. General treatment: after vaccination fever, you can let the child drink more warm water to promote metabolism, strengthen care and warmth, avoid cold, diet needs light diet. 2. Physical cooling and medication: If the fever is low, you can use physical cooling methods, with warm water to wipe the forehead, armpits, groin and other parts of the blood vessels, if the temperature is greater than 38.5 ℃ above the need to consult a doctor in a timely manner, in accordance with the doctor’s instructions to be taken orally ibuprofen granules and other antipyretic drugs to reduce fever. After vaccination need to be observed in place for 30 minutes, no adverse reactions before you can leave, some adverse reactions can not be unauthorized use of medication, if necessary, consult a doctor in a timely manner.