(1) rest? People who are seriously ill or old and infirm should stay in bed, avoid smoking, drink plenty of water and keep indoor air circulation.

(2) antipyretic and analgesic? If you have fever, headache, muscle aches and other symptoms, you can choose antipyretic and analgesic drugs, such as compound aspirin, acetaminophen, indomethacin, painkillers, ibuprofen and so on. For sore throat, various throat moistening tablets can be taken orally, such as lysozyme tablets, Jianmin throat moistening tablets or Liushen pills.

(3) decongestant? When nasal congestion and congestion and edema of nasal mucosa occur, pseudoephedrine hydrochloride or 1% ephedrine can be used for nasal drip.

(4) antihistamines? A cold often increases the sensitivity of nasal mucosa, often sneezing and running nose, and antihistamines such as chlorphenamine maleate or diphenhydramine can be used.

(5) relieving cough? For those with obvious cough symptoms, antitussive drugs such as dextromethorphan and pentoverine can be given.