Stone flower, also known as milk flower and lichen, has the functions of nourishing blood and improving eyesight, tonifying kidney essence, cooling blood and diuretic, clearing heat and removing toxins (removing heat and toxicity in the body), dissipating heat and stopping bleeding, etc. It can be used in conjunction with other Chinese herbs to treat diseases. 1. Nourishing blood and improving eyesight: Decoction of Shi Hua alone can be used to treat blurred vision and loss of eyesight. 2. Nourishing kidney essence: together with Chinese herbs such as eucommia and wolfberry, it can be used to treat soreness of waist and knees and toothache caused by deficiency of qi and kidney. 3. Cooling blood and inducing diuresis: Roasted and powdered stone flowers can be used to relieve dampness and heat in the bladder, hot and painful urination, and jaundice. 4. Clearing heat and removing toxins: grinding and applying to burns and frostbite can promote the improvement of the disease. 5. Dissipating heat and stopping bleeding: Ground and taken with warm wine, it can be used in the treatment of bleeding, vomiting blood and hematochezia. Stone flower has many medicinal value, but it is not recommended that patients take on their own, should be used under the guidance of a professional doctor.