Most of the colds after chickenpox vaccination are caused by viral infections. Most of the symptoms of cold after chickenpox vaccination are caused by viral infection, because after chickenpox vaccination, the child’s resistance is temporarily weakened, and at this time it is easy to catch a cold or viral colds and other phenomena, which cause colds and diseases to occur. Observe whether there is fever, nasal congestion, cough and other symptoms, if necessary, timely consultation. Parents can take their children to the chickenpox vaccine before, to pay attention to the child’s physical condition, to see whether there is physical discomfort, otherwise it is not suitable for chickenpox vaccine. Parents can take their children to the regular hospital to do the relevant examination, at this time you can take symptomatic treatment drugs, such as body temperature over 38.5 can be taken under the guidance of the doctor acetaminophen, etc.; runny nose, sneezing can be taken Chlorpheniramine, Chlorotetracycline, etc., usually recommended that the child drink more warm water. After the chickenpox vaccine, parents are advised to pay attention to their children’s body changes, especially pay attention to let the child rest more, to avoid excessive activities affecting the health of the body and produce some side effects.