Toadstool grass, also known as lychee grass, has the effect of clearing away heat and detoxification (removing heat and poisonous evils from the body), cooling the blood, reducing swelling, etc. It is mainly used for treating colds and fevers, and vomiting blood. Litchi grass is the whole grass of Litchi grass, a plant of the genus Sage, family Labiatae. It is bitter, pungent and cool in nature; it belongs to lung and stomach meridian. It has the effects of clearing heat and removing toxins, cooling the blood and dispersing blood stasis, and inducing diuresis and eliminating edema. Lycopodium officinale is used for treating colds and fever, sore throat, lung-heat cough, hemoptysis, vomiting blood, blood in urine, leakage (excessive menstrual flow or dripping), hemorrhoidal bleeding, nephritis and edema, leucorrhoea (cloudy urine such as white pulp), dysentery, carbuncle, swelling, sores and poisoning, eczema and itching, bruises, snake bites and insect bites. It is recommended that patients use medication under the guidance of a doctor, do not take medication on your own, so as not to delay the condition.