A cold is a type of upper respiratory infection, caused by a virus. Symptoms are mild and generally do not require treatment. Symptoms are usually treated symptomatically, such as nasal congestion can be pseudoephedrine. 1. Symptomatic treatment: such as nasal congestion, runny nose, can be given pseudoephedrine treatment, can also be local nose drops. If the dry cough is severe, dextromethorphan can be given to suppress the cough; if the cough has phlegm, it is not easy to cough up, bromhexine can be given to dissolve the phlegm. If there is fever, if the fever is high, acetaminophen and other antipyretic drugs can be given if necessary; 2. Antimicrobial drug therapy: It has been clarified that no antimicrobial drugs are needed for colds, unless there is evidence of bacterial infection such as leukocytosis, pharyngeal pus moss, coughing up yellow sputum, etc. Penicillin such as amoxicillin, first-generation cephalosporins such as cephradine, macrolides such as azithromycin, etc. should be chosen according to epidemiologic history and experience; 3. Antiviral medication: Antiviral treatment is generally not needed for the common cold. If there are patients with immunodeficiency or influenza, antiviral drugs such as ribavirin and oseltamivir can be used for treatment; 4. Traditional Chinese medicine (TCM) treatment: TCM with heat-removing and detoxifying properties and anti-viral effects can help improve symptoms and shorten the duration of illness; After catching a cold, one should pay attention to rest, quit smoking and drinking, drink plenty of water and keep the room ventilated. If symptoms worsen, consult a doctor in time and follow the doctor’s instructions to avoid self-medication, which may lead to adverse reactions.