Dong Ling Cao has the effect of clearing heat and removing toxins, activating blood circulation and relieving pain. Warm disease heat from the mouth and nose, or external wind-cold, external wind-heat treatment is not timely, or heat gathered in the throat, resulting in sore throat, can be used with burdock, rock sugar with. Often eat greasy food will breed spleen and stomach dampness and heat, that is the cause of high blood fat, winter grass has a certain effect on blood fat, can be used with cassia, combined with a light diet effect is more significant. Wintergreen grass has a certain effect on lowering blood pressure, can be used together with Xiaku Cao. If you are suffering from mouth and tongue sores caused by heart fire, you can use Dong Ling Cao together with Huang Lian. Winter Lingcao can also treat acute suppurative tonsillitis, can be used together with Gua Pou Pi, Platycodonopsis. Toothache is usually caused by heat in the stomach, Dong Ling Cao can be used together with Huang Lian, and it is recommended to use Dong Ling Cao with caution when there is deficiency and cold in the spleen and stomach.