Donglingcao tea has the function of clearing heat and detoxifying, activating blood circulation and relieving pain. Warm disease heat evil from the mouth and nose or external wind cold, external wind heat, untimely treatment or heat evil gathered in the throat, resulting in swelling and pain in the throat, Dong Ling Cao tea can be used with burdock, ice sugar. This product has a certain effect of lowering blood lipids, can be used with grass cassia, and then combined with a light diet more significant effect. Dong Ling Cao tea has a certain blood pressure lowering effect, can be used together with Xia Gu Cao. Heart fire caused by mouth and tongue sores, this product can be used with Huang Lian. Dong Ling Cao tea can also treat acute purulent tonsillitis and can be used together with Radix Platycodon. Toothache is usually caused by heat in the stomach, Dong Ling Cao tea can be used together with Huang Lian, and it is recommended to use Dong Ling Cao tea with caution when the spleen and stomach are cold.