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In the treatment of slow convulsion (Man Jing), examination of ancient texts reveals no definitive basis, with only "Yin Epilepsy" (Yin Xian) being recorded. Generally, slow convulsion belongs to the Yin syndrome; since Yin governs stillness, the convulsions are slow, hence the name "slow." The manifestations arise from external contraction of wind-cold and internal onset of vomiting and diarrhea, or they occur after a severe illness or following erroneous treatment progression. Symptoms include dull eyes and confused spirit, unilateral movement of hands and feet, drooling at the mouth corners, slight body warmth, upward or oblique deviation of the eyes, clenching of both fists with convulsions, or accompanied by jerking of both legs. One must distinguish between males (left side) and females (right side); convulsions in this pattern indicate a favorable prognosis (Shun), while the opposite indicates an unfavorable one (Ni). Cold and slow breath, or a sunken fontanelle, signify extreme deficiency. The pulse is deep and powerless, and during sleep, the eyes remain half-open and half-closed (Yang Jing), indicating depletion of True Yang and dominance of Yin pathogenic factors. Excess Yin generates cold; cold transforms into water; water nourishes the root of Liver Wood; Wood governs wind transformation; Wood overacts on Spleen Earth. As the Stomach is the Fu organ of the Spleen, wind enters the Stomach, leading to gradual twitching and convulsions (Rong). The symptoms of these convulsions include slightly shrugging shoulders, hands hanging down, and continuous trembling, named slow convulsion. It is appropriate to use Qingzhou Bai Wan Zi (White Pills of Qingzhou) and Su He Xiang Wan (Styrax Pill), mixed evenly with ginger juice, and taken with rice water. For extreme deficiency, add Jin Ye Dan (Golden Elixir Pill). Subsequently, use Chong He Yin (Harmonizing Decoction) combined with Qi Bao San (Seven Treasures Powder), decocted with water-warmed ginger, to disperse wind qi and slightly relieve vomiting and diarrhea. Intermittently use Wei Ling Tang (Stomach and Five Zang Decoction) to address exterior and interior conditions. If vomiting persists, Ding Tu Yin (Anti-Vomiting Decoction) may be administered; if diarrhea does not cease, Liu Zhu San (Six Pillars Powder) or Ri Sheng Tang (Daily Rising Decoction) should be taken to remove wind from the Stomach, stop convulsions, and clear the spirit. Wu Ling San (Five Ingredient Powder with Poria) guides rebellious qi, harmonizes Ying and Wei (Nutritive and Defensive levels), and balances Yin and Yang. If there is excessive phlegm, pale lips, ice-cold limbs, and unconsciousness, this represents the extreme of deficiency-slow convulsion; Gu Zhen Tang (Solidify Truth Decoction) should be rapidly infused to restore Stomach Qi. Once Stomach Qi returns, Xing Pi San (Awaken Spleen Powder) and Chen Xiang Yin (Aged Tangerine Peel Decoction) can be used for regulation. Slow spleen wind (Man Pi Feng) evolves from slow convulsion. Initially caused by prolonged vomiting and diarrhea without timely treatment, it leads to weak Stomach and deficient Spleen. Spleen deficiency generates wind; wind enters the meridians, causing constant shaking of hands and feet, drowsiness, unconsciousness, and a sallow complexion. If the wind pathogen is too severe, it indicates extreme deficiency; urgently administer Qing Jin Dan (Green Gold Pill) or Tian Ma Yin (Gastrodia Decoction), or Liu Zhu San or Gu Zhen Tang. Regardless of the presence of heat or phlegm, this is wind entering the Spleen meridian and constitutes a critical condition. If the sound of phlegm resembles sawing, the face contracts despite the absence of obvious wind signs, breathing is coarse and labored, and convulsions are severe and stubborn, the condition is incurable.