Viral colds are mainly caused by viral infections, and the common causes are cold, climate change, overexertion, alcohol consumption and other triggers, thus reducing the local defense function of the respiratory tract leading to further invasion of pathogens, which leads to viral colds. The common pathogens that cause viral colds include human rhinovirus, adenovirus, influenza virus, human parainfluenza virus, respiratory syncytial virus, etc. In the treatment of the main choice of drugs for viral colds, you can choose oseltamivir, ribavirin, amantadine and other drugs, after the secondary bacterial infection can choose penicillin, cephalosporin, azithromycin for treatment.