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Bao Bi (Bladder Bi Syndrome), as stated in the *Neijing* (*Inner Canon*), involves pain upon pressing the lower abdomen and bladder area, a sensation of being irrigated with hot water, difficulty and涩滞 (obstruction) in urination, and clear nasal discharge from above. The Bladder stores body fluids and relies on Qi transformation. When pathogenic factors obstruct it, water Qi fails to circulate, leading to accumulation, heat generation, and excess syndrome formation; thus, there is internal pain upon pressure, a sensation like irrigation with hot water, and urinary obstruction. The straight pathway of the Foot-Taiyang Bladder Meridian enters from the vertex and connects with the brain. If pathogenic factors cannot descend to the Bladder, they must reverse and ascend to the brain. Brain Qi descends and exits through the nasal orifices, resulting in clear nasal discharge.

Shen Li Tang (Kidney Drip Decoction) treats Bao Bi, characterized by urgent and painful lower abdomen, and red, obstructed urine.
Mai Dong (Ophiopogonis Radix), Wu Jia Pi (Acanthopanacis Cortex), Xi Jiao (Rhinocerotis Cornu, sliced into thin pieces, 1 qian each), Du Zhong (Eucommiae Cortex), Jie Geng (Platycodonis Radix), Chi Shao (Paeoniae Radix Rubra), Mu Tong (Akebiae Caulis, 1.5 qian each), Sang Piao Xiao (Mantis Egg Case, 1 piece).
Add one and a half cups of water, one sheep kidney (remove fat membrane and cut finely), and a little Zhu Li (Bambusae Succus). Simmer together until one cup remains, strain, and take on an empty stomach in one dose. Take twice daily.
Another prescription includes Sang Bai Pi (Morus Alba Bark) instead of Sang Piao Xiao.
Note: Chang Bi (Intestinal Bi Syndrome) and Bao Bi are both internal Bi syndromes. However, Bao Bi is due to Kidney deficiency with heat stagnation in the Bladder, whereas Chang Bi is caused by wind-cold-dampness adhering to the Spleen and Stomach. Shen Li Tang uses cooling herbs to resolve heat stagnation, while Wu Zhu Yu San (Evodia Powder) uses pungent-warm herbs to open pathogenic obstruction.

Shen Zhuo Tang (Kidney Fixation Decoction) treats Bao Bi with urinary retention.

Bi of the Arm involves arm pain radiating to the sinews and bones, extending upward to support the scapula, making movement difficult to sustain. This arises from blood deficiency allowing wind invasion.
Shi Wei Cuo San (Ten-Ingredient Coarse Powder)
Fu Zi (Aconiti Lateralis Radix Praeparata), Huang Qi (Astragali Radix), Dang Gui (Angelicae Sinensis Radix), Bai Shao (Paeoniae Radix Alba, 1 qian each), Chuan Xiong (Ligustici Chuanxiong Rhizoma), Fang Feng (Saposhnikoviae Radix), Bai Zhu (Atractylodis Macrocephalae Rhizoma), Fu Ling (Poria), Rou Gui (Cinnamomi Cortex, 7 fen each), Shu Di Huang (Rehmanniae Radix Praeparata, soaked in wine, dried, 2 qian).
Add one cup of water, three slices of fresh ginger, and two jujubes. Take after meals and before bedtime.
The *Ben Shi Fang* (*Prescriptions Worth a Thousand Gold*) records the method of consuming Mulberry Twig. One small sheng of mulberry twig, finely chopped and stir-fried until fragrant, is boiled in three large shengs of water to yield two shengs of decoction, consumed throughout the day at any time. The *Tu Jing* (*Illustrated Classic*) states: Mulberry twig is neutral, neither cold nor hot, suitable for long-term consumption. It treats wind-stroke itching, dry gangrene, limb contracture, rising qi causing dizziness, lung qi cough, aids digestion, promotes urination, lightens the body with long-term use, sharpens hearing and vision, enhances complexion, and relieves dry mouth. The *Xian Jing* (*Immortal Classic*) states: All immortal medicines should not be taken without being decocted with mulberry twig, citing *Baopuzi*. During the Zhenghe era, I suffered from bilateral arm pain; various medications were ineffective. Following this method for several doses, my arm pain quickly resolved.

For wind-cold-damp Bi causing numbness and insensitivity of the four limbs, Wutou Zhou (Aconite Porridge) method:
Four qian of raw Chuan Wu Tou (Aconiti Radix) powder, cooked with fragrant white rice into half a bowl of porridge. Simmer slowly over low heat until thin and not thick. Add about one teaspoon of fresh ginger juice and three large spoons of honey, mix well. Best taken on an empty stomach. If dampness is involved, add two qian of Yi Yi Ren (Coicis Semen) and increase the rice amount to fill a medium bowl. Xu Shi says: This porridge greatly treats numbness and paralysis of hands and feet, swelling, pain, and inability to lift. Zuo Shi posits that wind excess leads to diseases of the extremities ("mo"), where "extremities" refer to the four limbs. The Spleen governs the four limbs. Wind pathogen lodging in the Liver invades the Spleen; since the Spleen is controlled by the Liver, disease manifests in the extremities. This method uses grain Qi to guide wind-damp resolving herbs directly into the Spleen Meridian, thereby calming the four limbs. This decoction is extremely potent. I once shared this formula with others, and it proved highly effective.