Common cold is a self-limiting disease, usually do not need to take medication, but for those with obvious symptoms, appropriate use of decongestants, antihistamines, antipyretic and analgesic drugs, cough suppressants, expectorant drugs and other symptomatic treatment. 1. Decongestants: for example, pseudoephedrine hydrochloride can improve nasal congestion and runny nose caused by colds, but its use may cause insomnia, headache and other adverse reactions. It is forbidden for patients with severe high blood and coronary heart disease. 2. Antihistamine drugs: e.g. Loratadine, Cetirizine. They can relieve symptoms such as nasal congestion, sneezing and dry cough. Loratadine may cause weakness, headache, drowsiness, dry mouth and other adverse reactions. It is contraindicated in people who are allergic to loratadine. Cetirizine may cause dry mouth, dizziness, drowsiness and other adverse reactions, patients with severe renal impairment is prohibited. 3. Antipyretic and analgesic drugs: such as ibuprofen, can be used for patients with cold and fever that cannot be improved by physical cooling. It may cause allergic reactions, severe gastric bleeding and other adverse reactions. It is contraindicated for those who are allergic to NSAIDs. 4. Cough suppressants: for severe dry cough, affecting rest, workers, can use cough suppressants, such as dextromethorphan, may be inhibited breathing phenomenon, and sometimes headache, dizziness and other adverse reactions. Cough, phlegm, asthma patients, it is recommended to use drugs under the guidance of a doctor. 5. Expectorant drugs: For people with sticky phlegm, which is not easy to cough up, expectorant drugs can be given, such as bromhexine, which may cause allergic reactions, epigastric pain, skin rash and other adverse reactions. Allergic to this product is prohibited. For patients with common cold, it is recommended to pay attention to rest and drink more water; if the symptoms continue to be unrelieved, it is recommended to go to the hospital for timely treatment. The above medications should be used under the supervision of a physician.