The condition mentioned by the patient is still relatively common, and can generally be divided into a true cold, and a febrile reaction after the vaccination. A small number of children may have flu-like symptoms after the vaccination, but they are just a physical reaction to the vaccination, such as fever and fatigue. In this case, there is no need for special treatment, but rest and hot water will help you get better relief. If the patient is sure that it is really a cold, there is no need to panic at this time, not because after the vaccination, the patient’s cold symptoms will gradually aggravate, timely anti-cold treatment can be, will not affect the efficacy of the vaccination. This patient need not be particularly worried, this is not a particularly complex problem, there is no special relationship between the two, parents are advised not to be nervous.