Guanyin grass usually refers to bamboo leaf orchid, has the effect of clearing the lungs and relieving cough, tonifying the lungs and kidneys, regulating menstruation and stopping bleeding. It is useful for treating qi deficiency and cough, dizziness and tinnitus. Generally speaking, decoction is used as medicine. Bamboo Leaf Orchid is the root or whole plant of Purple-backed Deerbiter in the family of Metatarsalaceae. It is slightly bitter and sweet in taste, and flat in nature. It has the effect of clearing the lung and relieving cough, tonifying the lung and kidney, regulating menstruation and stopping bleeding. It can be used for the main lung heat cough, gas deficiency cough, dizziness, tinnitus, vomiting blood, etc. It can also be used to treat bone fracture. It is also used to treat bone fracture. It is often decocted into medicine. Drugs need to be taken under the guidance of a professional physician, do not take medication without authorization, in order to avoid adverse consequences.