Qingchengliu has the effect of clearing heat and removing toxins (removing heat and toxicity from the body), dispelling wind and relieving pain (dispersing wind evil and relieving pain in the muscles and bones), killing insects and relieving itching, and other effects. Pharmacopoeia does not clearly record the contraindications of this product, generally allergic to this drug is prohibited. Qingchengliu taste pungent; slightly bitter, nature flat. As a valuable medicinal and food plants, it has the effect of clearing away heat and detoxification (clearing away heat and toxicity in the body), dispelling wind and relieving pain (dispersing wind evil, relieving pain in the muscles and bones), killing worms and relieving itching, and it is mostly used for the treatment of skin diseases such as ringworm. A large number of studies have shown that the willow contains polysaccharides, flavonoids, saponins and other active ingredients, the extract has a hypoglycemic, hypolipidemic, hypotensive effect, for hypertension, hyperlipidemia are very good conditioning effect. Strychnine is suitable for high blood pressure, high blood fat and other people to make tea to take. It is recommended that according to their own physical condition is different, choose the appropriate therapeutic drugs to regulate. If you need to use drugs should be based on their own specific conditions in the TCM physician under the guidance of the identification of drugs, not blindly self-medication.