Although a mild cough has less effect on the vaccination, the child’s resistance is weaker and the cough is caused by the infection of pathogenic microorganisms, which leads to inflammation of the respiratory system, thus triggering the cough, and the vaccination may aggravate the infection, so it is better not to play. In case of a mild cough, it is necessary to find the cause of the cough and carry out targeted treatment, such as cough caused by viral infection, you can give your child oral ribavirin granules, Pudilan anti-inflammatory oral solution, and Four Seasons antiviral combination; if the cough is caused by bacterial infection, you need to use antibiotics for treatment, such as cephalosporins if you are not allergic, you can give your child pediatric cephalosporin If the child is not allergic to cephalosporins, he can use pediatric cephalosporin granules to reduce inflammation. At the same time, use cough medicines such as paediatric aminoglutethimide oral solution and compound fresh bamboo leach solution. It is safer to wait for a week after the coughing symptoms have completely recovered before giving the preventive injection.