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When I was a child, I observed a woman in my clan whose forehead and head were often bound with a cloth strip. She required assistance to walk, stating that she had no other ailments except for dizziness and vertigo of the head and eyes (Xuan Yun). Her food intake doubled, her body became fatter, and she felt uncomfortable internally when slightly hungry. Medical treatment was ineffective, so medication was discontinued. After several years, the disease healed spontaneously; her body emaciated, and her diet and daily routine returned to normal. The cause of her illness and the prescriptions she took could not be ascertained. Later, my younger brother's wife, over twenty years old, fell ill due to depression following a house fire. Her symptoms resembled those of the clan woman. Knowing her illness arose from Qi stagnation (Yu), I initially prescribed Xiaoyao San (Free and Easy Wanderer Powder) to soothe the Liver and resolve stagnation, then added Mu Dan Pi (Moutan Cortex) and Zhi Zi (Gardeniae Fructus) to clear heat. Subsequently, I advanced to Di Huang (Rehmanniae Radix) and E Jiao (Colla Corii Asini) to nourish Water to generate Wood, Bai Shao (Paeoniae Radix Alba) and Ju Hua (Chrysanthemi Flos) to calm the Liver and extinguish wind, and Ci Shi (Magnetitum) and Mu Li (Ostreae Concha) to subdue rebellious Qi and anchor Yang. None of these methods were effective. Other physicians believed "no phlegm, no vertigo" and used phlegm-resolving drugs; others believed "no deficiency, no vertigo" and used tonifying drugs. All were ineffective. Consequently, she refused further medication, and after forty days, the illness resolved spontaneously. In my life, I have seen no cases of vertigo more severe than these two. Moreover, all treatments during the illness failed, yet both recovered without medication, which is quite remarkable. Investigating the reason carefully, it seems the illness involved emotional factors, rendering herbal medicines ineffective. From this, we can infer that any illness caused by internal injury from the Seven Emotions follows similar patterns.

An Bo notes: Patients suffering from illnesses caused by the Seven Emotions are particularly prevalent among nuns, widows, and unmarried women. It is essential to cultivate one's temperament and promote joy. As the saying goes, diseases of the Heart must be treated with "Heart medicine."

Old Man Li was past his fortieth year (Qiang Shi). In winter, he contracted cold pathogenic factors again. His pulse was fine and tight. His manifestations included alternating chills and fever, absence of sweating, headache, and body pain. Initially, I prescribed Fuzi Liyin Jian (Aconite Decoction to Regulate Yin). Sweating did not occur. For the second consultation, I added Ren Shen (Ginseng Radix et Rhizoma) and Ma Huang (Ephedrae Herba) to the prescription. Old Man Li said, "Ma Huang has a fierce nature and its action is too rapid to control. My constitution has always been weak; I fear I cannot take it." I smiled and told him, "Ma Huang from others may indeed be unsuitable, but you can take mine with confidence." This is because medical practice should focus on the formula rather than individual herbs. If Ma Huang is added to exterior-releasing formulas alone, its action is indeed too rapid to control. However, now combined with tonic agents, it is restrained by Ren Shen and Shu Di Huang (Prepared Rehmanniae Radix). Even if its potency surpasses that of Meng Ben (a legendary strongman), it cannot exert its fierce nature. Ancient practitioners distinguished dispersing methods by depth (skin/hair, muscle, blood vessels, sinews/bones) and by intensity (severe, mild, warm, cool). Regarding the principle that Yang is rooted in Yin and sweat transforms from fluids, the subtlety of "clouds rising to bring rain" was uniquely understood by Mr. Zhang Jingyue. His formulated prescriptions, including Liyin Jian, Magui Yin (Cinnamon Twig and Ephedra Drink), and Da Wenzhong Yin (Great Warm the Middle Decoction), truly merit being called ministers complementing the achievements of Changsha (Zhang Zhongjing), filling in what was previously incomplete. Furthermore, the postscript to Liyin Jian includes instructions for adding Ma Huang. What is there to doubt? Trusting me, Old Man Li took one dose, sweated, and was cured.

An Bo notes: In the Xinsi year, I treated Wang Shaolian. In summer, while cooling off, he drank excessively. In the late afternoon, he felt heavy-headed and feared cold. By the next day, he suffered from high fever and aversion to cold, dry mouth with thirst but no desire to drink, red eyes, and profuse sweating. His pulse was surging and empty; deep palpation revealed it seemed absent. The tongue coating was black and slippery. I stated, "This is Kidney Yang being forced by Yin-cold-summerheat, causing Yang Qi to float upward (Dai Yang). The red eyes, dry mouth without desire to drink, empty pulse lacking spirit, high fever, and aversion to cold constitute the Dai Yang Syndrome described in the Shanghan Lun." I prescribed Fuzi Lizhong Tang (Aconite Decoction to Regulate the Middle) with added Xiang Ru (Patriniae Herba) and Ren Shen. After one dose, his mental clarity improved, chills and fever decreased significantly, his mouth was no longer dry, eye redness subsided, and other symptoms improved. Later, using this formula at a reduced dosage and adding herbs to dispel summerheat and promote dampness, he recovered. Similar to such cases, I record this here to broaden the vision of future practitioners.