You can go out after getting the MMR. MMR is a triple vaccine that protects against measles, rubella, and mumps. It is OK to go out after getting the MMR vaccine. However, if the weather outside is bad and the temperature is low, try not to go out so as not to cause a cold or flu. If there is localized pain or redness, swelling and low-grade fever, it is best not to go out. After the mumps should pay attention to rest, do not strenuous exercise, and also to ensure sufficient sleep, do not stay up late. And in the diet should also pay attention to do not eat spicy stimulating food, can eat some easy to digest light food. In addition, do not eat seafood, so as not to cause allergies, but also pay attention to do not drink strong tea, coffee and other stimulating beverages. After the MMR vaccination, if there is a persistent fever or symptoms of discomfort gradually worsening, it is recommended to consult a doctor promptly.