1. Aliases

Stone stalactite, dripping milk stone, reed stone, yellow stone sand, ruble.
2. Distribution
Distributed in Guangdong, Guangxi, Hubei, Sichuan, Guizhou, Yunnan, Shaanxi, Gansu, Shanxi and other places. Often found in mountain caves.
3. Harvesting and processing
It can be harvested all year round, knocked down from the cave, removed from impurities, washed, and dried in the sun.
4. Characteristics of medicinal herbs
A milky aggregate of stone bells, slightly conical or cylindrical in shape. The surface is white, grayish white or brownish yellow, rough, uneven, with nodular protrusions, earthy gray, grayish white or brownish yellow. Weight, hard texture, easy to break, with a relatively flat cross-section, white to light grayish white. It has a sparkling star like light when observed under light, and often has a circular hole near the center. There are many light orange yellow concentric rings around the circle. Odorless, slightly salty in taste.
5. Nature, taste, and meridian tropism
Warm in nature and sweet in taste. Return to the lung meridian, kidney meridian, and stomach meridian.
6. Effect and function
Warm the lungs, assist yang, relieve asthma, inhibit acid production, and promote lactation. A Yang tonifying medicine belonging to the subcategory of tonifying deficiency medicine.
7. Clinical applications
Dosage of 3-9 grams, decoct and take. Used to treat cold phlegm cough and asthma, yang deficiency cold asthma, lower back pain and cold pain, stomach pain and pantothenic acid, and postpartum milk obstruction.
8. Pharmacological research
Stalactites can neutralize excessive stomach acid in the stomach and increase calcium ions in the blood after absorption by the intestine, which has an excitatory effect on the sympathetic nervous system.
9. Chemical composition
Stalactites mainly contain calcium carbonate. It still contains trace elements such as iron, copper, potassium, zinc, manganese, etc.
10. Taboos for use
People with yin deficiency, excessive fire, lung heat, and cough should avoid taking it.
11. Compatibility prescription
① Treating lung qi deficiency, prolonged coughing, withered fur, bloody and foul smelling saliva, or gasping for breath: 1.5 grams each of Zhong Milk Powder (calcined and cooked), Sang Bai Bai (honey roasted), Mai Men Dong (heart removed), and Zi Su. Three slices of ginger and one jujube. Take one bell of water, fry for six minutes, and take after eating. (Zhong Ru Powder in Surgical Principles)
② Treatment of cold cough: Zhong Milk Powder, ginseng, ass hide glue (stir fried). Divide the three flavors equally into the end. Mix and drink glutinous rice. (Zhong Ru San in "Ye Shi Lu Yan Fang")
③ Treatment for milk obstruction: 9g of stalactite, 12g each of Wangbuliuxing and Tianfen, 15g each of Lulu and Huangqi, decoction in water. (Qingdao Chinese Herbal Medicine Handbook)
④ Treating cold and slippery colon: 30g of milk powder and 15g of nutmeg (simmered). For the end, boil jujube Rice-meat dumplings and wutong seeds. Take seventy pills and drink hollow rice. (Ji Sheng Fang)
⑤ To treat ulcer disease and excessive stomach acid: Grind stalactite finely, take 1.8g per dose, three times a day, and take with warm water before meals. (National Compilation of Chinese Herbal Medicine)