1. Keel: Alias Land Rover Legacy, naga Bone, Wuhua Keel, Qinghua Keel, Huahua Keel, and White Keel, which are bone fossils of ancient mammals such as elephants, rhinoceroses, three-toed horses, cattle and deer. It consists of apatite, calcite and a small amount of clay minerals. It is conical or cylindrical, and it is often broken after calcination. The taste is astringent and cool, and it can calm the nerves, relieve anxiety and clear heat, and treat palpitation and insomnia. 2. Lumbricus: It is the dry body of earthworm, commonly known as earthworm. Location: Guangxi, Guangdong and Fujian. Cold in nature and salty in taste. Can clear away heat, calm convulsion, dredge collaterals, relieve asthma and induce diuresis; It can be used for coma due to high fever, convulsion, joint paralysis, limb numbness, hemiplegia, lung heat, asthma and cough, oliguria and edema.

3. Dragon clothing: The prescription often says dragon clothing and snake slough, which is a dry epidermal membrane sloshed by the snake, black-browed snake, golden snake or Zaocys. Collecting in late spring, early summer or early winter, removing sediment and drying. The smell is slightly fishy, and the taste is light or slightly salty. Has the effects of expelling pathogenic wind, calming convulsion, detoxicating and removing nebula. Used for infantile convulsion, convulsion, corneal eruption, laryngitis, furuncle, skin itching, etc. 4. Solanum nigrum seed: it is the seed of Solanaceae plant Solanum nigrum, which is taken when the fruit of Solanum nigrum is ripe in autumn. The fatty acids in seeds are mainly palmitic acid, stearic acid, oleic acid and linoleic acid, and contain a small amount of sterols. Sweet, warm and nontoxic. Indications: acute tonsillitis and furuncle.

5. Five-claw dragon: the scientific name is Saussurea involucrata, which is the whole grass of Saussurea involucrata, also known as Saussurea involucrata, five-leaf rattan and sow rattan. Born in the wilderness, valleys, forests and roadsides. Sex is flat, sweet and slightly bitter. Has the functions of expelling pathogenic wind and removing dampness, removing blood stasis and swelling, clearing away heat and toxic materials, promoting blood circulation and removing blood stasis, and promoting diuresis, and can be used for treating sore throat, furuncle, carbuncle, furuncle, dysentery, hematuria, turbidity, traumatic injury, and snake bite. 6. Gentiana: a general term for Gentianaceae plants and Chinese herbal medicine Gentiana. There are more than 240 species of Gentiana in China, most of which are found in the southwest mountainous areas. Gentiana is also an important medicinal plant, and its roots and rhizomes have the effects of clearing heat, purging liver and calming convulsion. "Compendium of Materia Medica" records: "The nature is bitter, astringent, cold and non-toxic. It is mainly used to treat cold and heat between bones, shock and evil spirits, follow the injury, fix the five internal organs and kill insects and toxins. " Gentiana also has a good effect on the treatment of hair loss.

7. Dragon teeth: fossils of teeth of ancient mammals such as elephants, rhinoceroses and three-toed horses. Dragon teeth are cool, sweet and astringent, and have the functions of calming the nerves, clearing away heat and removing annoyance. Indications: epilepsy, madness, palpitation, insomnia, dreaminess, body heat and upset. 8. Dragon's blood; It is the resin of Dracaena cochinchinensis of Liliaceae, mainly distributed in Yunnan and Southeast Asian countries. The main component is dracorhodin B, which is slightly fragrant and slightly astringent. Functions: promoting blood circulation, removing blood stasis, stopping pain, stopping bleeding, healing sores and promoting granulation. It can be used for traumatic injury, blood stasis and pain, stagnation of qi and blood in women, traumatic bleeding and abscess.