What disease can Radix Isatidis granule treat?

Radix Isatidis granules are powder granules made by crushing Radix Isatidis. Isatis indigotica is the root of Isatis indigotica, and its leaves are called Folium Isatidis, which is also a traditional Chinese medicine with the functions of clearing away heat and toxic materials, cooling blood and stopping bleeding. Radix Isatidis has good effects of clearing away heat and toxic materials, cooling blood and relieving sore throat, and is often used to treat fever, aversion to cold, headache, burnout, sore throat, erysipelas, mumps and other diseases caused by colds. Radix Isatidis can be used alone or in combination with other drugs. If it is combined with Herba Schizonepetae, Herba Menthae and Flos Lonicerae, it can treat common cold, fever, aversion to cold and headache. Can be combined with Fructus Arctii, Rhizoma Belamcandae, Radix Ophiopogonis, and Flos Lonicerae for treating oral ulcer, sore throat, tonsillitis, etc. Compatible with Radix Rehmanniae, Fructus Gardeniae, Rhinoceros horn, Rhizoma Anemarrhenae, etc. Can be used for treating macula, high fever, delirium, delirium, etc. Caused by heat evil entering the blood.