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Plum Blossom Borneol (Longnao Xiang, a crystalline substance extracted from the tree of *Dryobalanops aromatica*) primarily treats: dispersing fire, unblocking orifices, improving vision, calming the heart and spirit. It is indicated for phlegm confusing the mind, convulsions and epilepsy, bone pain, headache, deafness, red eyes, toothache, tongue protrusion in Shanghan disease (apply powder externally), throat obstruction (hou bi), prolapse of the large intestine, five types of hemorrhoids, and difficult labor in women. (Modern people often dissolve camphor in alcohol and add sodium to produce it; its efficacy is the same as that of natural products.)

Long'an Anshen Wan (Dragon Brain Calming Spirit Pill): Consists of Longnao (Borneolum Syntheticum), Shexiang (Moschus), Niuhuang (Calculus Bovis) (each separately ground into fine powder) 3 qian; Xijiao Xie (Hornis Rhinocerotis), Fushen (Poria with Hostwood), Maidong (Ophiopogonis Radix), Renshen (Ginseng Radix et Rhizoma), Zhusha (Cinnabaris) (processed by water flotation) each 2 liang; Jinbo (Folium Aurum) 35 pieces; Mayaxiao (Natrii Sulfas) 2 qian; Zhi Gancao (Prepared Glycyrrhizae Radix et Rhizoma), Digupi (Phellodendri Cortex), Sangbaipi (Mori Cortex) (stir-fried) each 1 liang. Grind all ingredients into fine powder, mix with honey to form pills the size of bullet seeds, coated with gold foil. Indicated for wind-epilepsy persisting for many years. In winter, dissolve in warm water before administration; in summer, dissolve in cool water. If the disease has persisted for two to three years, administer three times daily. For children, divide one pill into two doses. For deficiency consumption with fever, wheezing, and coughing, administer with newly drawn cold water. For speech impediment and stiff tongue, administer with warm-cooled water after meals, three times daily.

Longnao San (Dragon Brain Powder): Consists of Longnao (Borneolum Syntheticum) 5 fen, Gouti (Cucumeris Fructus) 14 pieces, Chixiaodou (Vigna Semen Rubrum) 30 grains, Huanglian (Coptidis Rhizoma) 3 large stems. Grind into fine powder. Each time, take an amount the size of a mung bean, blow into the nostrils before bedtime. Indicated for pediatric nasal polyps.

Longnao Gao (Dragon Brain Ointment): Consists of Longnao (Borneolum Syntheticum) 1.2 qian, Jiaomu (Zanthoxyli Semen) 5 qian, Xingren (Armeniacae Semen Amarum) 2.5 qian. Grind into fine powder. Each time, take an amount the size of a jujube pit, wrap in cotton, and insert into the ear. Change twice daily. Indicated for deafness.

Another Prescription: Longnao (Borneolum Syntheticum) 1 qian, Huanglian (Coptidis Rhizoma) 8 liang. First, chop Huanglian finely, add 3 large bowls of water, place in a porcelain vessel, and slowly simmer over mild and strong heat until half a bowl remains. Filter out the dregs. Transfer to a thin porcelain bowl and steam over boiling water until reduced to approximately half a cup of ointment. When using, dip the tip of a chopstick into the ointment and apply to the eyes. Indicated for distended blood vessels in the eyes, excessive eye discharge, and all types of eye pain.

Bingyu San (Ice Jade Powder): Consists of Bingpian (Borneolum Syntheticum) 8 fen, Renzhongbai (Urinae Hominis Calcined), Huangbai (Phellodendri Cortex), Puhuang (Typhae Pollen) each 1 qian; Boheye (Menthae Haplocalycis Folium), Huanglian (Coptidis Rhizoma) each 1.5 qian; Gancao (Glycyrrhizae Radix et Rhizoma), Qingdai (Indici Folium), Pengsha (Borax), Paxiao (Natrii Sulfas) each 5 fen; Kufan (Alumen Exsiccatum) a small amount. Grind into fine powder. Can be blown internally or applied externally. Indicated for erysipelas and throat swelling.

Binggu Xiongzhu San (Ice Melon Realgar Cinnabar Powder): Consists of Bingpian (Borneolum Syntheticum) 1 qian, Xiguashuang (Citrulli Pericarpium Gelidum) 2 liang, Xiongjing (Realgar) 3 fen, Zhusha (Cinnabaris) 2 qian, Xiuniuhuang (Calculus Bovis) 3 fen, Renzhongbai (Urinae Hominis Calcined) (calcined) 1 qian. Grind into fine powder and blow frequently into the affected area. Indicated for diphtheria. For non-diphtheria conditions, remove Xiongjing (Realgar).

Bingbai San (Ice White Powder): Consists of Bingpian (Borneolum Syntheticum) 5 fen, Renzhongbai (Urinae Hominis Calcined) 5 qian, Ercha (Camelliae Seed Extract), Jineijin (Galli Gigerii Endothelium Corneum) (baked) each 5 qian; Gancao (Glycyrrhizae Radix et Rhizoma) 1 qian, Xuanmingfen (Natrii Sulfas Exsiccatus) 5 fen. Grind into fine powder and blow into the affected area. Indicated for severe ulceration in epidemic throat diseases.

Bingmei Shangqing Wan (Ice Plum Clearing Upper Pill): Consists of Bingpian (Borneolum Syntheticum) 1 qian, Baiyaojian (Fermented Medicinal Brew) 8 liang, Xuanmingfen (Natrii Sulfas Exsiccatus), Xisharen (Amomi Fructus Rotundus), Bohe (Menthae Haplocalycis Herba), Baijiegie (Platycodonis Radix), Sheng Cao (Raw Glycyrrhizae Radix et Rhizoma) each 1 liang; Hezi Rou (Terminaliae Chebulae Mesocarp), Yueshi (Margaritum), Shishuang (Diospyros Fructus Frost) each 2 liang. Grind into fine powder, mix with honey to form pills weighing 5 fen each, dry in shade. Hold in mouth and dissolve before bedtime. Indicated for heat accumulation in the heart and liver causing mouth and tongue ulcers, and red and swollen throat.

Bingsi San (Ice Snail Powder): Consists of Bingpian (Borneolum Syntheticum) 2 fen, Datianluo Rou (Pomacea Canaliculata Meat) 5 pieces (shell removed, threaded and sun-dried), Baipi (Arsenic Trioxide) 1.2 qian (wrapped in flour, baked until cooked, discard flour), Fan Naoshan (Sal Ammoniac) 2 fen. First, slice snail meat and grind finely together with arsenic. Then grind borneol evenly. Store tightly sealed in a small jar. When using, first moxa the affected area with seven moxa cones until blisters form. Puncture the blister with a small needle, take 1-2 li of medicine, mix with saliva to form a cake, and apply to the top of the moxa site. Seal thickly with cotton paper to prevent air leakage. After seven days, cracks will appear around the edges. After another seven days, the nodule will fall off. Subsequently apply Hongyu Gao. Internally administer tonic medicines. Indicated for scrofula and phlegm nodules, long-standing hard nodules in breast cancer that do not resolve, and Ma Dao Xia Ying (scrofula with large root and small head). Contraindicated for Shi Reng (loss of prosperity) and similar conditions.

(Attached Formula) Hongyu Gao (Red Jade Ointment): Consists of Ruxiang (Olibanum), Moyao (Myrrha) (each separately ground) each 2 liang; Bimazi Ren (Ricini Semen) 400 grains, Mubiezi (Strychni Semen) (shelled) 2.4 liang, Danggui (Angelicae Sinensis Radix) 4 liang, Xuyuwu (Capillis Humanis Carbonized) 5 qian; Ercha (Camelliae Seed Extract), Xuexie (Dracaenae Sanguis), Baila (Cera Flava), Huangla (Cera Rubra) each 1 qian; Liuzhi (Tali Salicis Tenuifoliae) (tender, broken) 1 liang, Huangdan (Lithargyrum) (water-flown) 4 liang, Mayou (Sesami Oleum) 8 liang, Yunxiang (Rutae Fructus) (white and tender) 1 jin 4 liang. First, boil Mayou (Sesami Oleum) with Liuzhi (Tali Salicis Tenuifoliae), Danggui (Angelicae Sinensis Radix), and Xuyuwu (Capillis Humanis Carbonized) for several boils, then strain to remove dregs. Boil the oil with Yunxiang (Rutae Fructus), Bimazi (Ricini Semen), and Mubiezi (Strychni Semen) until cooked, then strain to remove dregs. Add Baila (Cera Flava) and Huangla (Cera Rubra) to form the base. Add Huangdan (Lithargyrum). Remove from fire and add fine powders of Ruxiang (Olibanum), Moyao (Myrrha), Ercha (Camelliae Seed Extract), and Xuexie (Dracaenae Sanguis). Stir uniformly to form the ointment. Apply a small amount to the affected area. Indicated for carbuncles, sores, scrofula, and mastitis.