The effect and function of open throat sword

The effect and function of Kaihoujian belongs to Miao medicine, it has the effect of clearing heat and detoxifying, detumescence and pain. Clinically, it is used for sore throat, oral ulcer, gum swelling and other symptoms of upper respiratory tract fire caused by lung and stomach heat. It is mainly made into spray and sprayed directly on the affected area. Because it has the effect of cooling blood and activating blood circulation, it is prohibited for pregnant women.