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The *Ji Xiao Fang* records: A person presented with swelling of the genitalia. The physician applied Chiyu (Red Jade) to the affected area and prescribed Bawei Wan (Eight-Ingredient Pill), resulting in a cure. If the genital swelling is due to chronic illness, the condition may be incurable; one should rapidly moxa the Shuifen (Water Separation) acupoint. This is because Shuifen facilitates the separation of water and grain; failure to separate them leads to genital swelling. Not only for genital swelling, but when other parts of the body also swell, it is especially urgent to administer Yuyuliang Wan (Yuzhu Grain Pill).

The *Zisheng Jing* records: For treating edema, one should only needle Shuigou (Water Ditch); if other acupoints are needled, once the water is exhausted, the patient will die. However, moxibustion on Shuifen is effective. (Moxibustion on Shuifen is an extremely swift and excellent method for treating edema), making it a crucial acupoint. An internal medicine physician treated Mr. Li for edema with herbal decoctions without effect. One day, he suddenly performed moxibustion on Shuifen and Qihai (Sea of Qi) acupoints. By the next morning, upon inspection, the swelling had vanished completely. It is indeed proven that Shuifen can treat edema.

The *Rumen Shiqin* records: A male patient presented with swelling under the eyes, resembling a lying silkworm. Dairen (Zhang Congzheng) said: The area under the eyes belongs to Yin. Water also belongs to Yin. The buttocks are considered the master of water; thus, swelling reaching the under-eye area is inevitable. This resulted from sexual intercourse during which exertion caused sweating, followed by exposure to Wind pathogen. The Wind entered the skin and interstices (Couli). When Couli are constricted by Cold, the Wind cannot exit and travels together with Water pathogens. (The Classics state: Swelling of the face is called Feng [Wind]; swelling of the lower legs is called Shui [Water]. Zhang Zhongjing named this Fengshui [Wind-Water].) Therefore, with such symptoms, if sexual activity is not prohibited, death will ensue.

Zhao Yi-de recorded: Shen from Jiading, aged eighteen, suffered from swelling of the chest, abdomen, body, and face. Physicians treated him for over half a month without effect. I palpated his pulse and found no pulse in any of the six positions. I administered a decoction containing Zisu (Perilla Leaf) and Jiegeng (Platycodon Root). After one cup, there was slight sweating in the chest; after a second dose, the whole body sweated, and the normal, harmonious pulses reappeared. Within one or two days, his pulse became completely level.

The *Jiu Lingshan Fangji* records: A woman surnamed Zhong suffered from abdominal distension like a drum, with limbs so emaciated they were skeletal. Physicians speculated she was pregnant, had intestinal parasites, or suffered from consumption (Lao disease). Xiang Yazhang palpated her pulse and stated: This is Qi deficiency affecting the Blood Chamber (Xueshi). Zhong said: I have taken Xiong (Chuanxiong) and Gui (Danggui) for years; are these not blood tonics? Yazhang replied: The error lies in failing to regulate Qi. Qi is the pathway; Blood is like water. If Qi fails to move for even an instant, Blood cannot flow for that instant. The Classics say: Qi and Blood originate from the same source but have different names. Therefore, treating Blood disorders requires first regulating Qi, ensuring the meridians are unobstructed so Blood can flow. Qi is the commander of Blood; where Qi moves, Blood follows. Treating only Blood is futile. He then administered Suhexiang Wan (Styrax Pill). Three days later, the patient complained of lower back pain. Yazhang said: The Blood is attempting to move; urgently administer Mangxiao (Natrii Sulfas) and Dahuang (Rhubarb Root) for a vigorous purge. The patient passed numerous dark, clotted blood masses resembling melons, numbering dozens, and recovered immediately. Yazhang knew the nature of Zhong's illness because her pulse was Wiry (Xian), Slippery (Hua), and Rapid (Shu). Wiry indicates Qi stagnation; Slippery indicates accumulation of solid pathogens in Blood. Thus, regulating Qi followed by purging led to recovery.