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Five-color Longgu (Fossilized Bones, *Longgu*) is ground into a fine powder. Blown into the ear, it stops bleeding immediately. Alternatively, Renya (Human Tooth, preserved by calcination) is used after removing its "fire toxicity," mixed with a small amount of Shexiang (Musk, *Moschus*), ground together, and blown into the ear.

If there are insects in the ear and pus and blood do not dry up: Take one Jiandan (Chicken Egg, stir-fried with Sesame Oil), 4-5 qian of Zhugan (Pig Liver, stir-fried with Sesame Oil), and one sheng of Heihizhi (Black Sesame Seed, stir-fried and ground). Mix these with Yanzhi (Vermilion/Carmine), Chenpi (Dried Tangerine Peel), Dengcao (Juncus Effusus Ash, each 1 qian burnt to ash), and Bingpian (Borneol, 1 fen). Grind uniformly and blow into the ear.

A grain-like growth appears inside the ear, the size of a cotton seed, causing extreme pain; this is named Erding (Ear Knot/Obstruction). Renzhijia (Human Nail, calcined on tile until carbonized) is ground into powder, added with a small amount of Yase Meihua Bingpian (Tooth-colored Plum Blossom Borneol), and blown into the ear. This is extremely effective.

For ear blockage and pain: Take one Datianluo (Large River Snail), remove the operculum, insert 5 fen of Shexiang (Musk). The snail naturally liquefies into drops which are instilled into the ear. Alternatively, perform this frequently daily; over time, it becomes miraculously effective.

Apply Zhengyan (Steamed Salt) wrapped in soft cloth for hot compress. Alternatively, squeeze juice from Wasong (Parmotrema Perlatum / Rock Moss) and instill into the ear.

Grind Jinyu (Curcuma Wenyujin Rhizome) to extract juice and instill. Alternatively, crush fresh Huercao (Saxifraga Stolonifera / Golden Heart Plant) to extract juice and instill.

Take one Shengwutou (Raw Aconitum Carmichaelii Lateral Root), peel while moist into the size of a jujube pit, and plug into the ear. Change several times a day. It heals in three to five days, but prolonged use may cause deafness.

Cut Shengdihuang (Fresh Rehmannia Root) and plug into the ear, changing ten times a day until healed. Alternatively, wrap in paper, warm slightly in fire, and plug. Or, take two Bidou (Croton Seed, peeled and cooked) and Songzhi (Pine Resin, size of soybean), pound into two pills, wrap in silk, and plug into the ear.

Erkan (Ear Fungus/Gangrene), Zhen'er (Buzzing Ear), Chan'er (Coiling Ear), Ting'er (Stopping Ear), Feng'er (Wind Ear). All these conditions involve internal ear stuffiness, swelling, and pus discharge, differing only in pus color and name.

Erkan: Crush Hetaoren (Walnut Kernel) and mix with Bingpian (Borneol), instill to heal. Alternatively, take one Sangpiaoxiao (Mantis Egg Case, calcined), 1 fen of Shexiang (Musk), grind into powder, and sprinkle into the ear. This is miraculous. First, clean out any pus. Alternatively, instill Shanxue (Eel Blood), which is very effective. Alternatively, take Baifan (Alumen, calcined and ground), add a small amount of Shexiang (Musk), wrap in silk, and plug into the ear. Alternatively, take Tofa (Hair, calcined on tile), grind, and blow into the ear. This is miraculous.