It is best not to see the wind after a rash from the MMR vaccine. MMR vaccine is a dual vaccine, mainly composed of measles and rubella. After vaccination, the body’s immune mechanism will be triggered, at which time the body will have fever, rash and other reactions, which are normal reactions. The MMR vaccine is effective in preventing diseases caused by the two acute infectious diseases, measles and rubella. However, due to individual differences, the adverse reactions after vaccination may include skin rashes, especially fever, etc. Seeing the wind may cause wind-cold to attack the body and cause a cold, which may aggravate the existing adverse reactions. It is recommended that when a rash occurs after vaccination, you should rest more, do not eat spicy and stimulating food, and eat a light diet without stimulating food. If there is any discomfort, please go to the hospital immediately.