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Shou (Convergence) refers to the meaning of gathering dispersed external Qi. Se (Astringency) refers to the significance of securing downward slipping or loss. For instance, when sweating is excessive, sweat should be converged; when deficiency-cold floats upward, Yang Qi should be converged; when prolonged coughing depletes body fluids, Jin-Ye (Body Fluids) should be converged; these all belong to "Shou" (Convergence). When diarrhea and dysentery persist, leakage should be secured; when urinary incontinence occurs, involuntary urination should be secured; when seminal emission is uncontrollable, essence should be secured; "Gu" (Securing) is essentially "Se" (Astringency). The *Ten Formulas* chapter states: "Astringents can treat slipping/loss," referring to herbs such as Muli (Oyster Shell) and Longgu (Dragon Bone). Generally, when human Qi and Blood are damaged, whether floating upward or slipping downward, without convergence and astringency, it is impossible to arrest the trend of collapse and loss. However, diseases differ among individuals, and treatments vary accordingly. When Yang is vigorous, Yin must be exhausted; thus, slipping syndromes often occur in Yin. When Yin is abundant, Yang must decline; thus, slipping syndromes often occur in Yang. Yang diseases tend toward dryness, so medicinal properties used should be cold. Yin diseases tend toward cold, so medicinal properties used should be warm. This is a fundamental principle. Furthermore, applying warmth to treat cold, and using astringency to secure loss, although the principles remain unchanged, one must distinguish by Zang-Fu organs for treatment. For example, Lian Zi Rou (Lotus Seed Cotyledon) and Dou Kou (Cardamom Fruit) are herbs treating Spleen-Stomach deficiency and slipping; therefore, they are most suitable for persistent diarrhea. Lian Xu (Lotus Plumule) is an herb connecting Heart and Kidney, making it best for cases where Heart Fire agitation causes insecure seminal emission. Bu Gu Zhi (Psoralea Fruit), Pu Tao (Grape), A Fu Luo (Opium), Mei Shi Zi (Myrobalan Nut), Chen Xiang (Agarwood), Qian Shi (Euryale Seed), Shi Zhong Ru (Stalactite), Hu Tao Rou (Walnut Kernel), and Ling Sha (Cinnabar and Sal Ammoniac Mixture) are herbs that secure Kidney Qi, making them excellent for seminal slip and Kidney deficiency diarrhea. Specifically, Bu Gu Zhi also treats Kidney deficiency diarrhea; Pu Tao also promotes Yang and aids in acne eruption; A Fu Luo specializes in astringency and converging collapse; Mei Shi Zi and Chen Xiang specialize in descending Qi and guiding it back to the Kidney; Qian Shi also treats Spleen dampness and regulates digestion; Shi Zhong Ru also benefits water passages; Hu Tao Rou also moistens intestines and lungs; Ling Sha harmonizes Water and Fire, descending both. Others include Tu Si Zi (Dodder Seed) and Fu Pen Zi (Raspberry); although their nature is not astringent, their warm temperature allows for securing. Mu Gua (Chaenomeles Fruit) is sour with astringency, contributing to awakening the Spleen and converging Lung Qi. Wu Mei (Mume Fruit) converges Lung Qi and astringes intestines to stop diarrhea. He Zi (Chebula Fruit) secures collapse, stops diarrhea, clears phlegm, and descends fire. Chi Shi Zhi (Red Halloysite) secures blood and treats chronic loss. Although treatments vary, they all essentially belong to Warm-Astringent herbs for securing loss. Only Yu Yi Liang (Limonite) and Shi Di (Persimmon Calyx) have a property that is astringent and neutral, applicable to symptoms of cold-body slipping loss, differing slightly from others, and thus requiring distinct consideration.