云溪方∶浙江湖州人，每担炉具赴他州，代人铸铜勺锅铲，其泥罐不轻弃，可入药。
治小儿头生软疖，出脓水不干，仍复 肿，用罐石上捶细末，醋调敷之，脓自溢干，迨泥落
而疾自愈。
乃檀香心中所含脂垢，不易得，色如尘土，故以泥名。 之亦作檀香气。
治胃气滞痛，肝郁不舒。
治水肿∶圣惠方∶治遍身水肿，用鹿葱根叶晒干为末，每服二钱，入席下尘半钱，食前
米饮
本草经疏∶朝北燕窠土，名回燕膏。
治瘰 ∶经疏∶合胡燕窝内土，研敷有效。
濒湖纲目引藏器本草∶治不服水土用，而外治无闻焉。今补之。
治 耳头疮∶良朋汇集∶人生耳底即 耳，用鞋底陈土吹入耳内，即干。此土又治头上
疮，
一切无名肿毒∶用毒郎蒜一枚，津唾磨鞋底泥箍之，三五次即消。
治偏正头风∶救生苦海∶用老鼠洞内泥炒热，乘热绢帕包头上，即愈。
物理小识∶此泥炕干，可以生肌。
此药处处有之。生人家石 上，乡村尤多，乃狗溺石上，多年结成，如
硝样。取之水飞用，
性凉色清白，治咽喉肿痛等症。能降虚火。
出云南鸡足山近地土中，俗名鸡脚胶。土人往往从土中掘得，形如碎砖，入火即烊如胶
然，
故名。终不知何物所结也。
治风如神。煎汤服。
Yunxi Fang: People from Huzhou, Zhejiang Province, carry their furnaces and tools to other prefectures to cast copper spoons, pots, and spatulas for others. They do not lightly discard the clay pots used in this process, as these pots can be used as medicine.
For treating soft carbuncles on a child's head where pus flows but does not dry up and swelling persists: Pound the clay from the pot wall into fine powder on a stone, mix with vinegar, and apply externally. The pus will naturally drain and dry up. When the clay falls off, the disease heals spontaneously.
This refers to the dust accumulated over many years on the surface of white wax, swept down and stored for use.
To treat Zhai Chong (consumption tuberculosis) (copied from Wan Bangfu's family manuscript).
This is the grease and dirt contained within the heart of sandalwood. It is difficult to obtain and resembles dust in color, hence named "clay." Its aroma is also similar to sandalwood.
To treat stomach qi stagnation pain and liver qi depression with discomfort.
To treat edema: *Shenghui Fang*: To treat generalized body edema, dry the roots and leaves of *Allium victorialis* (Lucong), grind into powder. Take 2 qian per dose, add half a qian of dust from under mats, and take before meals with rice water.
*Benzhuo Jingshu*: Soil from swallow nests facing north is called Huiyan Gao (Swallow Return Paste).
To treat Luoli (scrofula): *Jingshu*: Mix the soil from Hu Yan Nests (wild swallow nests), grind, and apply externally; it is effective.
*Bencao Gangmu* by Li Shizhen cites Chen Cangqi's *Bencao*: Used to treat maladaptation to local climate and diet (incompatibility with new environment), but external applications were not recorded. This is now supplemented.
To treat ear and head sores: *Liangpeng Huiji*: The area at the base of the human ear is the earlobe. Blow old soil from shoe soles into the ear canal; it will dry immediately. This soil is also used to treat sores on the head.
For all nameless swellings and toxic masses: Use one bulb of *Amanita muscaria* (Du Lang Suan), grind it with saliva using mud from an old shoe sole, and bind it around the affected area. It will subside after three to five applications.
To treat hemi-cephalic or regular headache (Tou Feng): *Jisheng Kuhai*: Stir-fry soil from mouse holes until hot, wrap in a silk cloth, and apply to the head while hot; it cures immediately.
*Wuli Xiaoshi*: This clay, when dried in a kiln, can promote tissue regeneration.
This medicine is available everywhere. It grows on stones near dwellings, especially abundant in rural areas. It forms over many years from dog urine on stones, resembling saltpeter. Processed by levigation (water flying), it has a cool nature and clear-white color. It treats symptoms such as sore throat and swelling. It can descend deficient fire.
It originates from the soil near Jizu Mountain in Yunnan Province, commonly known as Jijiao Jiao (Chicken Foot Gel). Locals often dig it out of the ground. It resembles broken bricks and melts like gel when exposed to fire, hence the name. It remains unknown what substance forms it.
It is miraculous in treating wind pathogens. Decoct in water and take orally.