There is no set three medicines for colds. Colds generally do not require medication. If the symptoms are severe, drugs such as nasal mucous membrane decongestants, cough and phlegm relievers, antipyretics, antivirals, antibiotics, etc. can be given according to the symptoms. Colds are often caused by viral infections and clinically manifested as nasal congestion, runny nose, cough, itchy throat and fever. If nasal congestion is severe, decongestants such as ephedrine drops can be used to relieve symptoms; if cough and phlegm are severe, aminoglutethimide can be used to relieve cough and phlegm; and if fever is high, antipyretic and analgesic medications such as acetaminophen can be used to reduce fever. General common cold does not need antiviral treatment, if it is influenza, need to use antiviral drugs such as oseltamivir in the early stage; if there is a basis for bacterial infections such as yellow runny nose, coughing up yellow sputum, etc., you can use antibiotics such as amoxicillin, cephalexin and other anti-infective treatments. In addition, bed rest, drinking plenty of water and indoor air ventilation are also beneficial for the recovery of colds. If the cold symptoms are severe, it is recommended to be under the guidance of a doctor and should not take medication without authorization to avoid delays.