Zhang, male, 35 years old, was first diagnosed on May 23, 1993 with high fever thirst, body temperature 40°C, confusion, static blood spots on the chest and abdomen, epistaxis, red tongue with yellow coating, and stringy and rapid pulse. Western medicine treatment was ineffective and he sought medical treatment. The syndrome belongs to blood heat disorder. Treatment should be clearing heat and removing toxin, cooling blood and stopping bleeding. Rhinoceros Horn and Rehmannia Decoction are used. Flavors: rhinoceros horn 10g (buffalo horn substitute, take infused), raw rehmannia 50g, paeonol bark 20g, red Peony root 15g, raw gypsum 50g, Grassleaf Sweetflag Rhizome 15g, lotus rhizome node 5, Sanqi powder 5g (take infused), fresh lalang grass rhizome 50g. Decocted with water. After two doses of heat, the patient had less blood and large constipation knots. Add 10 grams of rhubarb (to be decocted later). After three doses, the fever subsided and the bleeding stopped, the stool was adjusted, and the mind was normal.