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A farmer suffered from Shanghan (Cold Damage), experiencing alternating chills and fever for several days, with spontaneous sweating profuse as rain. He sought my medical attention. His pulse was deficient, and his spirit was fatigued. Upon examining his tongue coating, it was white and slippery, split into two parts like a knife cut. Recalling the text in *Ji Ren Bian* which states that in Yin syndromes caused by mistakenly taking cooling medicines, a "Ren" character pattern appears on the tongue, I reviewed his previous prescriptions and confirmed this. I declined to treat him initially. He pleaded for rescue, so I first administered Liuwei Huiyang Yin (Six-Ingredient Decoction to Restore Yang) with effective results. Subsequently, he took Zuoyou Ergui Yin (Left and Right Two-Gui Decoctions) for several doses; the tongue coating gradually receded, and all ailments continued to recover.

Li suffered from Shanghan (Cold Damage), with aversion to cold and fever, lower body feeling like ice, pulse deep and fine. Even drinking boiling water, he felt no heat. All signs and symptoms of Yin-cold were present; the medication should undoubtedly be warming. However, observing his tongue color was vermilion red, and medical texts state: "When the tongue is purely red, heat accumulates in the interior." This contradicted the syndrome. Since the disease had just begun, I relied on the pulse to prescribe medication. First, I gave a small dose of Lizhong Tang (Regulate the Middle Decoction) as a probe; there was no adverse reaction. Then, I used a heavy dose of Liuwei Huiyang Yin (Six-Ingredient Decoction to Restore Yang). After several doses, the illness recovered, and the tongue color also faded. To explain the reason, it was likely what is referred to as Kidney Water overwhelming Heart Fire, forcing Heart Yang to escape outward.

Mrs. Zheng, nearly thirty years old, had a constitutionally deficient quality and much emotional stagnation. Her symptom was headache, extending up to the vertex and down to the teeth and cheeks. The physician diagnosed it as Taiyang Wind Evil and prescribed Qianghuo, Fangfeng, Xiongqiong, and Baizhi. The pain became severe leading to Jue (syncope/cold extremities), vomiting, inability to eat, and tremors in the meridians. I said: "This is Liver Wind." The Classics state: "All wind movements, trembling, and dizziness belong to the Liver." Lower deficiency and upper excess lead to Jue and head diseases. Ultimately, it was due to Water deficiency failing to nourish Wood, causing angry Wood to generate Wind, vigorously moving. Mistakenly administering warm dispersing herbs further aided its power, encouraging its expansion, gradually transforming into Jingjue (spasm and syncope), truly worrying. The formula used Dihuang Tang (Rehmannia Decoction) plus Juhua (Chrysanthemum), Gouteng (Uncaria), Baishao (White Peony Root), and Gancao (Licorice). After several doses, there was slight response. Considering Yang merely floats upward while Yin fails to absorb downward, extinguishing wind requires salty-cold substances, and subduing Yang must use shell/turtle substances. The formula added Ejiao (Donkey-hide Gelatin), Jizihuang (Chicken Egg Yolk), Muli (Oyster Shell), and Guiban (Tortoise Plastron), using Cishi (Magnetite) as a guide to attract Qi of Liver and Kidney back to their origin. After taking it, the illness resolved.

Wang, middle-aged, had a thin constitution and frequent depletion. His headache came and went intermittently. In summer, his pulse was string-taut, rapid, and withered. I advised that the pulse image was poor and he should rest quietly immediately, take more tonifying medicines, and not delay. The patient thought that although the illness occurred occasionally, his sleep and appetite were normal, so he did not pay attention. Before the Winter Solstice, suddenly his eyes blurred, face turned red, and he fainted and could not support himself. I was summoned, but the condition was already deteriorated, and he lacked strength to take Ginseng, so I declined to treat him. He passed away the next day. Although this illness deteriorated in winter, the Zhenzang Mai (True Organ Pulse) appeared early in summer; it was because the branches were not yet harmed, but the root was already pulled out.