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A boy from Wangting Village entered the door, walking with his body bent as if bowing. Zhang Congzheng (courtesy name Dairen) said: "This is Qi stagnation." He ordered him to take off his clothes and palpate the area; both sides of the hypochondrium were swollen like arms. The family sought treatment from Dairen. Dairen first needled the left side; it felt like piercing thick paper, accompanied by a peeling sound, after which the swelling broke. He then instructed massage, and the swelling softened immediately. The right side was treated similarly. Observers marveled at this. When asked for the reason, Dairen said: "It is a pathological knot at Shiguan (ST21)."

The wife of Magistrate Wang Shenqiu suffered from chest and diaphragm discomfort, salivation, and reported hearing thunderous sounds in her stomach after swallowing. She experienced slight pain in the heart region and recurrent fainting. Her chest and breasts were covered with moxibustion scars resembling a chessboard. After taking phlegm-resolving and diaphragm-clearing medicines for three years, her condition remained unchanged. Knowing that Dairen did not rely on phlegm-resolving drugs, her family sought his help. Through emesis (Yong), a snow-white worm five or six inches long, with mouth, nose, teeth, crawling in the saliva, was expelled. The patient angrily broke it, revealing a single white hair inside. This was identical to the hair mass (Fa Jia) vomited out by Xu Wenbo from a palace maid. Upon expulsion of the worm, the patient was instantly relieved.

While attending a banquet at the Jiadu Camp, Dairen heard a soldier nearby discuss his divorce. Dairen asked why. The soldier replied: "My wife, since she was an unmarried girl, had a cold accumulation under her heart, shaped like an inverted cup. Palpation produced a water-like sound, and warming it with hot hands felt like a fire cluster. This has persisted for fifteen years. Fearing it would cut off my lineage, I divorced her." Dairen said: "Do not dismiss her. If you use my medicine, the disease can be cured, and pregnancy achieved." The soldier agreed. Dairen diagnosed her pulse as deep and slow, but the chi position was full, large, and forceful, indicating this was not a sign of infertility; she could conceive within a year. Her husband laughed and said: "Let's try." First, San Sheng San (Three Holy Powders) was used to induce vomiting, expelling one dou of saliva, making the epigastrium flat and soft. Then, Baizhu Tiaozhong Tang (Atractylodes Decoction for Regulating the Middle) and Wuling San (Five-Ingredient Powder with Poria) were administered. Finally, Siwu Tang (Four Substances Decoction) was used to harmonize. Within less than a month, Qi and Blood were balanced, and within several months, she conceived twins. Dairen often said: "Using my method, there are no women who cannot bear children; these words are not false."

The wife of Liu Ziping from Guojun Village had an abdominal mass the size of a ladle for eighteen years. Her menstruation had ceased, and all other treatments failed. Dairen instructed her to undergo emesis four times and purgation six times within one month. The expelled phlegm amounted to one or two buckets. Undigested matter resembled okra or rotting fish intestines. During emesis, a wooden如意 (Ruyi, a massage tool) was used to press the abdomen, feeling as if the accumulation was being scraped away, gradually flattening. Once the accumulation was completely cleared, the abdominal depression became concave like a mortar, with no damage to the body. At this point, her face regained a youthful complexion, and menstruation resumed. Had she been younger, she could have borne children.