The price of 999 cold and flu granules ranges from 10-20 yuan, mainly used for influenza, wind-cold colds, as well as viral infections caused by the cold effect is good, can have the effect of clearing heat and detoxification, dispersing wind and cold. In taking cold and flu granules, also can be combined with compound aminophenalkylamine capsule, Shuanghuanglian oral liquid and other effects better. Pseudoephedrine can be used in case of nasal congestion, and paracetamol can be added for antihistamine effect in case of runny nose. In addition, during the treatment period must drink more water, pay more attention to rest, avoid excessive exertion, eat more vegetables and fruits to supplement vitamin C.