味甘咸。性平。无毒。
【主治】主止咳。（弘景） 煮汁饮。止渴。治淋。杀野兽毒。（大明） 清金降火。消
积块。
【归经】入肺经。为消痰软坚之品。（除上焦痰热）
【前论】俞琰曰。肺为水之上源。浮石入肺清其源。故又止渴通淋。
味甘辛咸。性平。无毒。禀水气以生。降也。阴也。
【主治】主杀鬼蛊邪疰毒瓦斯。下部 疮。伤寒寒热。吐胸中痰癖。止心腹猝痛。坚肌骨。
多
火灼。
【归经】入肾经。兼入心肺胃三经。为除热润下之品。（兼宣剂通剂补剂）
【前论】时珍曰。补肾药用盐汤者。咸归肾。引药气入本脏也。补心药用炒盐者。心苦
虚。
软坚
者。
腐。
为大
一名戎盐。味咸。性寒。无毒。禀水中至阴之气凝结而成。不经煎炼。而生于涯 坟
之阴。
【主治】主明目。目痛。益气。坚肌骨。去毒蛊。（本经） 心腹痛。溺血。吐血。齿
舌
血出。
【归经】入肾经。兼入心经。为除血热益水脏之品。（兼补剂）
【前论】寇氏曰。戎盐之功。专在平血热入肾。治目中瘀赤昏涩溺血者。小肠热也。心
小肠表
味咸。性寒。无毒。禀积阴之气而成。降也。阴也。畏地榆。解巴豆毒。制丹砂。
【主治】主身热。腹中积聚邪气。皮中如火烧。烦渴。水饮之。（本经） 除时气热盛。
五脏
降血。
【归经】入肾经。为走血除热之品。
【前论】仲淳曰。寒水石。按本文云。盐之精。则与石膏、方解石大相悬绝。因石膏有
寒水
分别。
【禁忌】经疏曰。凡阴虚火旺。咳嗽吐血多痰潮热骨蒸。并脾胃作泄者。均忌。
以上泻剂石部
Taste: Sweet, salty. Nature: Neutral. Non-toxic.
[Indications] Primarily treats coughing. (Hongjing) Boil in water and drink. Relieves thirst. Treats strangury. Kills venom from wild beasts. (Daming) Clears Lung metal and descends fire. Dissolves accumulations and masses.
[Meridian Tropism] Enters the Lung meridian. It is a substance that resolves phlegm and softens hardness. (Eliminates phlegm-heat in the Upper Jiao)
[Preliminary Discussion] Yu Yan said: The Lungs are the upper source of water. Since Fushishi enters the Lungs to clear their source, it can also relieve thirst and promote urination.
Taste: Sweet, pungent, salty. Nature: Neutral. Non-toxic. Born by inheriting the Qi of Water. Descending. Yin.
[Indications] Primarily kills Gui Gu (demon-gu) evil zhu poison gas. Lower body sores. Cold and heat of Shanghan (cold damage). Vomits phlegm-pi from the chest. Stops sudden pain in the heart and abdomen. Strengthens muscles and bones. Many fire burns.
[Meridian Tropism] Enters the Kidney meridian, concurrently entering the Heart, Lung, and Stomach meridians. It is a substance that clears heat and moistens for downward movement. (Concurrently acts as a dispersing, unblocking, and tonifying agent)
[Preliminary Discussion] Shizhen said: For kidney-tonifying medicines using salt soup, the salty taste returns to the Kidney, guiding the medicinal Qi into the original organ. For heart-tonifying medicines using fried salt, the Heart suffers from bitter deficiency.
Softening hardness.
Rotting.
Is great
Also known as Rongyan. Taste: Salty. Nature: Cold. Non-toxic. Formed by condensing the extreme Yin Qi of water. Not subjected to frying or refining. Grows in the shade of banks and graves.
[Indications] Primarily brightens the eyes. Eye pain. Tonifies Qi. Strengthens muscles and bones. Removes toxic gu. (Benjing) Heart and abdominal pain. Hematuria. Hematemesis. Bleeding from teeth and tongue.
[Meridian Tropism] Enters the Kidney meridian, concurrently entering the Heart meridian. It is a substance that clears blood-heat and benefits the Water organ. (Concurrently a tonifying agent)
[Preliminary Discussion] Kou Shi said: The efficacy of Rongyan lies specifically in calming blood-heat entering the Kidney. Treating cloudy redness, dimness, and turbidity in the eyes, and hematuria. This is Small Intestine heat. Heart and Small Intestine exterior-interior relationship.
Taste: Salty. Nature: Cold. Non-toxic. Formed by inheriting accumulated Yin Qi. Descending. Yin. Averse to Diyu. Resolves Radix Euphorbiae Hussonis toxicity. Controls Cinnabaris.
[Indications] Primarily treats body heat. Accumulation of evil Qi in the abdomen. Skin feels like burning fire. Restlessness and thirst. Drink water. (Benjing) Clears excessive heat from seasonal epidemics. Five Zang organs descend blood.
[Meridian Tropism] Enters the Kidney meridian. It is a substance that travels through blood and clears heat.
[Preliminary Discussion] Zhongchun said: Hanshuishi. According to the text, essence of salt is vastly different from Shigao (Gypsum Fibrosum) and Fangjieshi (Calcitum). Because Shigao has cold water distinction.
[Contraindications] Jingshu said: All cases of Yin deficiency with hyperactive fire, coughing with hematemesis, profuse phlegm, tidal fever, bone-steaming fever, and spleen-stomach diarrhea are contraindicated.
Above are the Stone category of purgative agents.