If you feel a sore throat, drinking Banlangen has a therapeutic effect. Sore throat is mainly caused by fire, as well as viral, bacterial and other pathogenic microbial infections, you need to orally remove heat and fire medication, but also need to be actively treated with effective antibacterial, antiviral drugs. The root has the function of clearing heat and removing toxins, cooling the blood, and facilitating the pharynx, and can treat sore throat and dry mouth caused by heat in the lungs and stomach, and also has a good therapeutic effect on sore throat caused by acute tonsillar infections. Research has shown that the root also has a broad-spectrum antibacterial effect, also has an antiviral effect, for a variety of bacterial as well as viral infections caused by local inflammation, also has a very good therapeutic effect, can be combined with honeysuckle, dendrobium, etc. to treat sore throat.