This product is rarely used in traditional Chinese medicine. Published in "Compendium of Materia Medica《本草纲目拾遗》". Formerly known as "Wu Gong Cao " (which means “Centipede Grass”).

Other names: Dui Zuo Cao (means “Sitting on grass”) in (Jiangsu), Lu Bian Huang (means “roadside yellow”) (Hunan), Shen Xian Dui Zuo Cao (means “fairy sitting grass”) (Zhejiang), Da Jin Qian Cao (“Da” meaning Big) (Sichuan).

Source: This product is Lysimachia christinae Hance. Dried whole grass, wild.

Origin: Mainly produced in Sichuan, Jiangsu, Hunan, Jiangxi and Jiangnan provinces.

Trait identification (plant form): the whole grass stem is 20~60cm long, weak and flat, sparsely hairy or nearly glabrous. The leaves are opposite, oval or kidney-shaped, entire, with purplish-black streaks and long petioles. In summer, the axils of the leaves have small yellow flowers, and the flower stalk is particularly long, reaching the leaf end. Sepals 5, corolla 5-petaled, deeply lobed, linear. 5 stamens. Capsule. Due to the different processing methods of this product, after drying, some are straight and long, and some are scattered and curved, reddish-brown. The leaves are curled, reddish-brown or blue-brown. There is no smell and taste is light. It is considered to be of better quality to have intact stems and leaves, yellow-brown and no weeds.

Main ingredients: containing volatile oils, tannins, flavonoids, potassium salts, etc.

Pharmacological effects: (1) diuretic, which may be related to the potassium salt it contains; (2) Stone discharge, which may be broken into sand through fossil action, or fine stones may be washed out through diuretic action; (3) choleretic, its decoction can promote the discharge of bile from the bile duct.

Processing: Cutting and use raw.

Taste: flat and light taste.

Meridians: into the liver, gallbladder, and bladder meridians.

Function: Clearing heat and reducing inflammation, diuretic and draining stones.

Indications: kidney stones, ureteral stones, bladder stones, hepatobiliary stones. Externally applied to treat sores.

Clinical application: It is mainly used for the treatment of urinary stones, and also has a certain effect on the treatment of biliary stones.

（1） It is used for the treatment of bladder and ureteral stones. You can use 60g decoction of Jin Qian Cao to replace tea, and together with Hai Jin Sha for decoctions, such as the formula “Shu Niao Guan Jie Shi Fang” for ureteral stones, the treatment effect is good, and it can indeed make many cases of stones expel or disappear.

（2） For the treatment of kidney stones, it should be used with Shi Wei, Yu Nao Shi, etc. to strengthen the effect of dilution and removing drenching, often used with Du Zhong, He Tao and other tonic drugs to tonify the kidney, such as in the formula “Shen Shi Yi Fang”.

（3） For the treatment of biliary stones, Sichuan Da Jin Qian Cao has a good effect, and needs to be paired with Yin Chen, Chai Hu, Zhi Zi and other medicines, such as in the formula “Dan Dao Pai Shi Fang”, suitable for biliary stones without obvious obstruction and infection.

Precautions for use: The treatment of stones with Jin Qian Cao must take a long time, and it is necessary to take the medicine for a long time, generally more than a month. But further long-term or large consumption of Jin Qian Cao will produce dizziness, palpitations and other reactions, which may be related to diuretic potassium excretion, other than increasing potassium consumption, concoction can also have Kidney tonifying herbs such as Jin Ying Zi and Qian Shi.

Dosage: The usual amount is 30~60g, and the maximum amount of single use is 120~150g.

Prescription examples

（1） Shen Shi Yi Fang “Ureteral stone prescription”: Jin Qian Cao 60g, Mu Tong 9g, Qu Mai 24g, Che Qian Zi 9g (concocted in pack), Sheng Hua Shi 15g, Chao Shan Zhi 9g, Hai Jin Sha 18g (fried in pack), Bian Xu 18g in water. If you can add 0.6~0.9g of amber powder, it is better.

（2） Shen Shi Yi Fang “Kidney stones”: Jin Qian Cao 60g, Qu Mai 18g, Sheng Hua Shi 30g, Hai Jin Sha 21g (fried in pack), Du Zhong 24g, Mu Tong 9g, Huai Niu Xi 12g, Dang Shen 9g, Ji Nei Jin 9g, Yu Nao Shi 12g, He Tao Rou 30g, Shi Wei 12g, Liang Tou Jian 12g (if there is none, Yu Jin 12g can be used as a substitute), decoction in water.

（3） Dan Dao Pai Shi Tang “Biliary tract stone soup”: Yin Chen 30g, Jin Qian Cao 30g, Hei Shan Zhi 12g, Chai Hu 6g, Dan Shen 12g, Zhi Ke 6g, Chi Shao 6g, Bai Shao 6g, Guang Mu Xiang 9g, decoction in water.

（4） Pai Shi Tang (Zunyi Medical College): Jin Qian Cao 30g, Huang Qin 9g, Da Huang 6g, Zhi Ke 9g, Chuan Lian Zi 9g, Mu Xiang 9g, decoction in water.

P.S. Jin Qian Cao has emerged as an emerging herbal remedy for gallstones, kidneys, and bladder stones. Due to the different varieties used in various places, there are many foreign bodies with the same name. The original plant families are also not the same. In addition to the above-mentioned primrose plant Jin Qian Cao (known as Da Jin Qian Cao in Sichuan), there are also the following four species used as Jin Qian Cao in different regions.

1. Sichuan Jin Qian Cao: Dichondra repens Forst. of the whole grass. Other names: Huang Dan Cao “Yellow bile grass”, Xiao Ying Feng Cao“small windward grass” (Chongqing), Xiao Ma Ti Cao “small horseshoe grass” (Chengdu), Jin Wa Er “golden digging ear” (Guangxi),He Bao Cao “lotus grass” (Zhejiang).

2. Guang Jin Qian Cao: Is Jin Qian Cao styracifolium (Osb.) Merr. of the ground is whole grass. Aliases: Jin Qian Cao (Guangdong, Hunan, Guangxi), Jia Hua Sheng “False Peanut” (Nanning), Luo Di Jin Qian “Landing Money” (Guangzhou).

3. Jiangsu Jin Qian Cao: Is (Nakli) kupr. of the whole grass. Aliases: Tou Gu Xiao “Penetrating Bone” (Sichuan), Lian Qian Cao “chained Money grass” (Jiangsu, Shanghai), Jin Qian Cao (Hangzhou).

4. Jiangxi Jin Qian Cao: There are two original plants: (1) It is the whole grass of the genus Coriander of the Apiaceae family. (2) It is a whole grass of the same family of coriander plants. Aliases: Xiao Jin Qian Cao “Small Jin Qian Cao” (Jiangxi, Zhejiang), Man Tian Xing “Starry Sky” (Sichuan, Guangxi), Ming Jing Cao “Spiegel Grass” (Chongqing), Xing Su Grass “Star Settled Grass” (Chengdu), Xiao Tong Qian Cao“Small Copper Coin Grass” (Anhui, Jiangsu), Tong Cian Cao “Copper Coin Grass” (Hunan).

· Tianjin Beijing mainly sells primrose family as Jin Qian Cao, as described in the text; Beijing also sells it as Jin Qian Cao. Its shape is as follows: the stem is thin cylindrical, of varying length, densely covered with yellowish-green pubescence, and the stem is woody. The leaves are alternate with one or three, many convoluted, the apical leaves are rounded, the apex is slightly concave, the whole margin, and the parallel veins are transverse. The leaf surface is glabrous, the back of the leaf is densely covered with yellow-green hairs, and the lateral leaves are oval. Racemes apical or axillary, purple. The fruit is a pod. (Whole grass is similar to Xun Feng Gu).

· The efficacy of Jin Qian Cao in various places is also slightly different in regional use, such as 1. Sichuan large Jin Qian Cao to treat gallstones; Xiao Jin Qian Cao are also used to treat gallstone disease. 2. Jiangsu Jin Qian Cao is used for cholecystitis. 3. Jiangxi Jin Qian Cao is mostly used for kidney stones. 4. Guang Jin Qian Cao is mostly used for bladder stones.

Disclaimer: All above articles are for reference only. If patients are interested, please consult a professional practitioner Traditional Chinese Medicine for a consultation.