Vitamin C can treat colds, but it is not the main medicine for colds, it can be used as an auxiliary medicine for colds. Vitamin C can treat viral colds with symptoms such as stuffy nose and runny nose, cough and phlegm, headache and dizziness, fever and other symptoms. The treatment of cold needs to be based on the specific clinical manifestations of the cold to choose the drug, if it is a viral cold, the main drug is based on antiviral drugs, such as ribavirin tablets or antiviral oral solution, compound aminoglutethimide tablets, together with vitamin C tablets. If the cold is caused by bacterial infection, you need to take anti-bacterial drugs to treat, commonly used drugs are cefixime tablets or amoxicillin capsules, can be combined with the wind fever cold particles comprehensive treatment, is not required to take vitamin C. Vitamin C is an auxiliary medicine, not as the main drug to use.