The effects of Xianhe Cao are astringency and hemostasis (treating bleeding disorders with medicines that have astringent effects), interception of malaria, stopping dysentery, detoxification, and tonifying the deficiency, and it is useful in treating bleeding disorders, malaria, and prolonged diarrhea and dysentery. The contraindications of this product are not clear. Xianhe Cao is the dried above-ground part of Longmai Cao, a plant of the Rosaceae family. It is bitter, astringent and flat in nature, and is attributed to the heart and liver meridians. It has the effects of astringency and stopping hemorrhage, intercepting malaria, stopping dysentery, detoxifying, and tonifying deficiency. It can be used in the treatment of hemoptysis, vomiting of blood, bleeding under the blood (excessive menstrual flow or dripping), malaria, dysentery, carbuncle, swelling, sores and poisoning, vaginal itching, and dislocation of strength and labor injury. The adverse reactions and contraindications of the drug are not clear, but it is not suitable for patients with fever on the surface. If there is a need to use the drug, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.