Food therapy cannot cure a cold. Medicines are not recommended for common colds, but can be taken symptomatically if symptoms are severe. If necessary, medication can be used against pathogens. 1. Symptomatic treatment: If the symptoms of cold and flu are serious, you can take oral aminophenolamine capsules and cold and flu particles to relieve symptoms. If there is cough, cough phlegm, can take aminoglutethimide and other cough and phlegm drugs. 2. Pathogen-specific treatment: Colds with elevated white blood cells, yellow nasal discharge and other evidence of secondary bacterial infection can be treated with cephalosporins such as cefixime. Antiviral drugs are not routinely recommended. For immunodeficient patients and patients with influenza, antiviral drugs such as ribavirin and oseltamivir can be used. Drink plenty of water and rest during the flu. Those with serious illnesses should seek timely medical attention and standardized treatment. Prevention is important for colds and flu, and exercise should be strengthened to enhance physical fitness.