Lateral cypress leaf is bitter, astringent and cold in nature, and belongs to the spleen, liver and lung meridians. It has the efficacy of cooling blood to stop bleeding (making blood cool and moist, preventing bleeding), resolving phlegm and relieving cough, and promoting hair growth. It is often used together with Lotus Leaf, Radix Rehmanniae Praeparata and Rhizoma Cyperus Rotundus to treat vomiting and urinating of blood caused by blood-heat; and it is often used with Cinnamon Branches and Polygonum Multiflorum to promote hair growth and promote hair growth. With zhebeimu, piper betel and other drugs can be paired can resolve phlegm and cough. 1. Cooling blood and stopping bleeding: the leaves of Cyperus rotundus are bitter and cold, good at clearing blood heat, with the effect of cooling blood and stopping bleeding, for bleeding caused by blood heat, such as vomiting blood, epistaxis, blood in urine, etc., clinically often used in combination with Lotus leaves, Radix et Rhizoma Dioica, Rhizoma Cyperus Rotundus, Artichoke and other medicines for cooling blood and stopping bleeding. 2. Resolving phlegm and relieving cough: the leaves of Cyperus rotundus are cold and good at clearing heat, for cough caused by lung heat, phlegm and difficult to cluck, it can be used in combination with Zhe Beimu, Gua Puzu and other drugs. 3. Hair growth and black hair: the lateral cypress leaves have the effect of hair growth and black hair, for hair loss of blood heat, white hair, you can use this product powder, and sesame oil coated, or with Gui Zhi, He Shouwu and other drugs, such as Gui Zhi Cypress Leaf Soup (The Four Sacred Sources of the Heart). The leaves of cypress are cold, so it should be used with caution for cold and allergic body, so as not to aggravate the condition by producing diarrhea, abdominal pain and other adverse reactions. For the application of the leaves of cypress, clinical need to be used under the guidance of the doctor’s diagnosis and treatment, after the use of the drug discomfort, it is recommended to consult a regular hospital in a timely manner, do not take medication to delay the condition.