Toadstool, also known as lychee grass, works to treat colds and fever, eczema, hemorrhoids, and other conditions. Litchwort belongs to a kind of traditional Chinese medicine, also known as Capsicum nigrum, Xuemei grass, Laizi grass, Laiguan grass, toadstool grass. It is bitter, pungent and cool in nature; it belongs to the lung and stomach meridians. It is the whole grass of Lychee plant of Labiatae. It has the efficacy of clearing heat and removing toxins, cooling blood and removing blood stasis, diuretic and swelling. Litchi grass is used for treating colds, sore throat, cough with lung heat, coughing up blood, vomiting blood, bleeding in urine, leakage (excessive menstrual flow or dripping), bleeding hemorrhoids, nephritis, edema, dysentery, carbuncle, swelling and sores (septic skin infections), eczema and itchiness, bruises and injuries, snake and insect bites, and so on. Adverse reactions, contraindications and precautions of Lycopodium are not clear. Before taking this medicine, you need a traditional Chinese medicine practitioner for identification and treatment under the guidance of a doctor, you can not take the medicine on your own.