主症瘕坚积，去邪恶气。
此即今锻铁灶中灰尔，兼得铁力。以疗暴症水有效。
〔谨案〕二车丸用之。
味辛，微温。主妇人崩中，吐下血，止咳逆，止血，消痈肿毒瓦斯。
此灶中对釜月下黄土也，取捣筛合葫涂痈甚效。以灶有神，故号为伏龙肝，并亦迂隐其
名耳。今人又用广州盐碱屑，
以疗漏血瘀血，亦是近月之土，兼得火烧义也。
主下部KT 疮，脱肛。
此屋之东壁上土耳，当取东壁之东边，谓恒先见日光，刮取用之。亦疗小儿风齐，又可
除油污衣书，胜锻石、滑石。
〔谨案〕此土摩干、湿二癣，极有效。
味咸、苦、辛，温，有毒。不宜多服。主积聚，破结血，烂胎，止痛，下气，疗咳嗽宿
冷，去
可为焊药。出西戎，形如朴硝，光净者良。驴马药亦用之。（新附）
味咸、苦，大寒，无毒。主大毒热，心腹烦满，水和服之，取吐。又主牛马急黄，马黑
汗，水研二、三两，灌之，
立瘥。又为金银焊药。出肃州川西平泽及山谷中，形似黄矾而坚实，有夹烂木者，云是胡桐
树滋，沦入土，石碱卤地作
之。其树高硕，皮叶似白杨、青桐、桑辈，故名胡桐。木堪器用，一名胡桐律。律、泪声讹
也。西域传云∶胡桐似桑而
曲。（新附）
味咸，寒，无毒。主热豌豆疮、丁毒等肿。生土石间，状如姜，有五种，色白者最良，
所在有之，以烂不碜者好，
齐州历城东者良。（新附）
Mainly treats hard accumulations of Zheng-Jia (abdominal masses), removes evil qi.
This is the ash from the current iron-smelting furnace, which also possesses the power of iron. It is effective in treating sudden Zheng-accumulation and water retention.
[Note] It is used in Erche Wan (Two-Car Pill).
Pungent, slightly warm. Mainly treats women's metrorrhagia (profuse non-menstrual bleeding), hematemesis and hematochezia, stops cough with counterflow qi, stops bleeding, dissipates carbuncles and toxic heat.
This is the yellow earth directly beneath the pot on the stove. When taken, pounded, sifted, and mixed with Coriandri Fructus (Hu Su, 胡荽) for external application to carbuncles, it is very effective. Because the stove is believed to house a deity, it is called "Fu Long Gan" (Hidden Dragon Liver), which is also an euphemistic name for it. Nowadays, people also use salt alkali powder from Guangzhou,
to treat leaking blood and stasis blood; this is also soil close to the moon, possessing the meaning of being burned by fire.
Mainly treats lower body gan sores and rectal prolapse.
This is the earth from the east wall of the house. One should take the easternmost part of the east wall, said to be where sunlight first shines, scrape it off, and use it. It can also treat pediatric wind tinea, and can remove oil stains from clothes and books, surpassing Duan Shi (Calcined Stone) and Hua Shi (Talcum).
[Note] This earth, when ground and applied dry or wet, is extremely effective for both dry and damp tinea.
Salty, bitter, pungent, warm, toxic. Should not be taken in large doses. Mainly treats accumulations, breaks up congealed blood, induces abortion, relieves pain, directs qi downward, treats chronic cold with cough, removes... Can be used as a soldering agent. Originates from the Western Regions, shaped like Piao Xiao (Mirabilite), those that are bright and clean are superior. It is also used for veterinary medicine for donkeys and horses. (Newly added)
Salty, bitter, very cold, non-toxic. Mainly treats severe toxic heat, fullness and irritability in the heart and abdomen; taken with water to induce vomiting. Also mainly treats acute jaundice in cattle and horses, black sweat in horses; two or three liang ground in water and administered orally leads to immediate recovery. Also used as a soldering agent for gold and silver. Originates from the plains, marshes, and valleys west of Chuanxi in Suzhou. It resembles Huang Fan (Yellow Alum) but is solid; some contain rotting wood, said to be the exudate of the Hu Tong tree, seeping into the earth, formed in alkaline saline land. The tree is tall and robust, its bark and leaves resemble Populus alba (White Poplar), Firmiana simplex (Chinese Parasol Tree), and Morus alba (Mulberry), hence named Hu Tong. The wood is suitable for making vessels, also known as Hu Tong Lv. "Lv" is a phonetic corruption of "Lei" (tears). The Records of the Western Regions state: Hu Tong resembles Mulberry but is curved. (Newly added)
Salty, cold, non-toxic. Mainly treats hot pea pox, buboes, and other swellings. Grows between rocks and soil, resembling ginger. There are five types, among which the white ones are best. They are found everywhere; those that do not taste salty/astringent when chewed are good. Those from Licheng County, Qizhou, are superior. (Newly added)