After the MMR vaccination, you should pay attention to keep warm, pay attention to diet, avoid getting wet, pay attention to rest and so on. 1. Pay attention to keep warm: some patients will have a transient decrease of immunity after receiving the MMR vaccine, usually go out and pay attention to keep warm, pay attention to the changes of weather, and replenish the clothes in time to avoid colds that cause physical discomfort. 2. Pay attention to diet: pay attention to a reasonable diet after vaccination, there will be slight pain after injection of needle hole, but if you eat spicy and irritating food such as chili, ginger and garlic in a short period of time, it will aggravate the discomfort of the skin. 3. Avoid getting wet: you can’t take a bath within 24 hours after the vaccination, and you can’t let the inoculation site come into contact with water. At the same time, the injection site should be kept clean, can’t come into contact with irritating things, can’t scratch, and avoid repeating the friction with the clothes, or else it will cause the infection of the inoculation site. 4. Pay attention to rest: after vaccination, pay attention to more rest, drink more water, less stay up late, avoid doing strenuous exercise. If there are adverse reactions such as fever, joint swelling and pain, and burning pain at the injection site after injection, consult a doctor for diagnosis and treatment in time.