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Commonly known as Huaijiao (Sophorae Fructus).
Bitter, sour, salty, cold in nature, non-toxic. Take the seeds of Sophorae Fructus, place them inside a cow's gallbladder, dry them in the shade, and take seven seeds daily. Long-term consumption has the effects of improving vision and spiritual clarity, and turning white hair black. It is especially suitable for those suffering from hemorrhoids and hematochezia.
The *Shennong Bencao Jing* states that it treats heat caused by pathogenic factors in the five viscera, stops saliva and sputum, repairs severe injuries, treats the five types of hemorrhoids and fire sores, breast masses in women, and acute pain in the uterus.
Invention: The locust tree is the essence of the Xu Star (one of the Twenty-Eight Mansions), benefiting the Kidney and clearing fire. It belongs to the same category as Huangbai (Phellodendri Cortex) but differs in treatment. Generally, Huangbai specifically nourishes blood dryness in the Kidney meridian, whereas this herb specifically nourishes fluid depletion in the Kidney system. Observing the indications in the *Bencao Jing*, they all refer to diseases involving stomach-spleen heat and insufficient yin fluids, such as stopping saliva. The Kidney governs the function of closure and storage. For lower jiao hemorrhoids, intestinal wind, wind-heat hematochezia that persist for years, one can use this single herb boiled into a paste and collected with refined honey. Breast masses and acute uterine pain in women are both conditions of liver blood heat; using this herb to clear heat and nourish dryness will naturally stabilize various symptoms. All the above refer to Huaijiao. The kernels within the pods specifically treat vision improvement; long-term consumption prevents graying of hair and beard, indicating its kidney-benefiting power. However, it should be avoided by those with stomach deficiency and poor appetite, as well as pregnant women. Locust branches burned to ash applied to Du Jing Chuang (condyloma acuminatum) have the effect of clearing fire and moistening dryness, as recorded in the *Qianjin Fang*.

Bitter, cold in nature, non-toxic. Wash away ash with warm water, bake until fragrant, and use.
Invention: Huaihua (Sophorae Flos) is bitter and cool, entering the Blood aspect of the Yangming and Jueyin meridians. Therefore, it is used for bleeding from the large and small intestines, as well as redness, swelling, and pain of the eyes. The eyes gain vision through blood nourishment; redness and swelling are diseases of blood heat. Intestinal blood and hemorrhoidal blood, when slightly stir-fried together with Baiye (Menthae Haplocalycis Herba or similar depending on context, here likely referring to a specific preparation method or herb like Coptidis Rhizoma/Bai Zhu? Context implies a hemostatic herb, often Bai Mao Gen or similar, but text says "Bai Ye". In TCM formulas for hemorrhoids, often combined with other herbs. Assuming literal translation of "Bai Ye" as White Leaf/Herb or potentially a typo for another herb, but sticking to text: "Bai Ye"), ground into powder, and taken with Wumei Tang (Mume Decoction). For Chang Feng (Intestinal Wind) and Zang Du (Visceral Toxin), wash clean, bake until fragrant, and grind into powder. Chang Feng is taken with Jingjie Tang (Schizonepeta Decoction); Zang Du is taken by dipping in pig intestine and consuming daily. However, its nature is purely yin; it is contraindicated in cases of yin-cold without excess fire.

Bitter, slightly cold in nature, non-toxic.
The *Shennong Bencao Jing* records its use for treating Bi syndrome caused by wind-cold-dampness, feeling of coldness in the body, clearing heat, pterygium and leukoma in the eyes, and long-term consumption prevents graying of hair and lightens the body.
Invention: Qinpi (Fraxini Cortex) turns blue-green when soaked in water, has a cold qi, and astringent nature; it enters the Liver and Gallbladder meridians. The *Bencao Jing* uses it for wind-cold-damp Bi syndrome, taking advantage of its bitter drying property. It also treats green-white nebula, taking advantage of its bitter descending property. For pediatric convulsions and epilepsy, it takes advantage of its ability to pacify Wood (Liver). For metrorrhagia and leukorrhea, and dysentery with tenesmus, it takes advantage of its astringent collecting property. Laozi said, "The Way of Heaven values frugality." As a substance for ingestion/nourishment, the *Bencao Jing* mentions long-term consumption preventing hair graying and lightening the body. Zhang Zhongjing's Baitouweng Tang (Pulsatillae Decoction) treats dysentery with tenesmus, combining Huangbai (Phellodendri Cortex), Huanglian (Coptidis Rhizoma), and Qinpi (Fraxini Cortex), all utilizing the bitter flavor to firm and preserve yin. Equal parts of Qinpi and Huanglian treat red eye swelling and pain. Additionally, decocting a single dose to wash red eyes is very effective. Its taste is extremely bitter; it is contraindicated for those with stomach deficiency and poor appetite.