Fever after receiving the 13-valent pneumonia vaccine needs to be improved by general treatment or medication depending on the circumstances. Some vaccinated patients may have adverse reactions after vaccination, such as fever, generalized soreness and weakness, poor appetite, nausea, palpitation, and even allergic reactions. If it is not serious, usually rest and observation is the main focus, pay attention to drink more water, more rest, low fever patients can be given warm water bath, or cool towels, ice packs for physical cooling. If the body temperature exceeds 38.5 degrees and above, and the effect of simple physical cooling is not good, it is necessary to take antipyretic drugs, such as ibuprofen, under the guidance of a doctor. When fever occurs in some people and persists without relief, they should consult a doctor in time to exclude other diseases caused by other diseases, such as pneumonia, influenza, etc., which should be further examined and clarified, and standardized treatment should be carried out. After vaccination, no strenuous exercise, pay attention to warmth, prevent cold, do not eat spicy and stimulating food. If there is any discomfort, you need to consult the doctor in time, and the treatment should be carried out under the doctor’s guidance.