Some patients feel they have a cold after vaccination, which may be caused by adverse reactions to the vaccine or may really have a cold, which needs to be analyzed in conjunction with the specific situation and can usually be referred to the following treatment: 1. According to the currently known vaccination situation, some vaccinated patients may have cough, fever, general malaise, runny nose, nasal congestion, sore throat, and other symptoms similar to the flu. For this kind of adverse reaction, no special treatment is needed, and the symptoms will gradually disappear after 2-3 days. If the symptoms do not disappear after 2-3 days and are more serious, you can also take oral Lianhua Qingfei capsule to help improve the symptoms; 2. If the cold and flu happen to occur after vaccination, it is generally not caused by the vaccine, and the patient can drink more water and rest to promote the body’s recovery, and the common cold itself has self-healing properties. If the symptoms of cold are serious, you can use medicines for cold such as compound aminophenalkamide capsule and aminomycin tablets under the guidance of doctor, and choose to use symptomatic medicines according to the symptoms, such as cough and phlegm, and use medicines for cough and phlegm. After vaccination or during the recovery period of cold, patients should pay attention to eating a light and easily absorbed diet and avoid eating spicy and stimulating foods. avoid bathing and strenuous activities for 1 week to prevent infection of the needle holes.