方见筋骨门。
名曰肠红，又名肠风。用猪尾肠八寸，洗极洁净，以白莲肉二两，去心不去皮，灌入，
用线扎住两头，煮极烂，取莲肉少加白盐，日食二三次，两日内血即止，而食亦渐加矣。猪
肠食与不食均可，照食七日。另用归脾汤为丸（见内外备用诸方）日日服之，即可断根。不
服
永不复发，真神方也。
又方∶豆腐（未曾入袋取浆者）炒老黄色，摊冷，每空心服三钱，日服三次。血紫者白
洋
多服
又方∶有人大便下血，百药不效，势甚可危，后食辣椒（又名青椒）五六两，一顿食完
（
之
又方∶蚕豆叶一大把，捣融，热酒冲入，去渣，服一碗，二三次即愈。有人便血垂危，
百药不效，服此遂愈。
又方∶黑豆 微炒，捣碎，泡水酒饮，立效。
又方∶丝瓜藤（又名水瓜，又名线瓜）烧枯，研末，淡酒冲服，神效。
又方∶淋症门，蜜炙萝卜方亦效。
又方∶真桂元肉二十一个，南枣十四个，白木耳一两，好白蜜四两，煎服，三次即愈。
因虚便血者神效。
又方∶通大海七个，开水泡发，去子，加冰糖调服，甚效。因热便血者，甚效。
又方∶酒煮鲫鱼，常食最妙。
又方∶用寒药、热药及补脾药俱不效，用山楂肉为末，艾叶汤调下，应手而愈。或荸荠
捣汁两酒杯，兑好酒服，数日即愈。
又方∶凡下血好而复发不能永除者，用久蒸黑芝麻，细细嚼食二两，日食数次，服至数
月，不但下血断根，且能补肾益精，久服百病不生，功效难以尽述。
方剂见“筋骨门”章节。
取大田螺三个，捣烂成泥，加入青盐三分，贴敷于脐下一寸三分处，大便即可通畅。
此症名为“肠红”，又名“肠风”。取猪大肠八寸，洗净至极干净，用白莲子二两（去芯但保留外皮），灌入肠中，用线扎紧两头，煮至极烂。取出莲肉，稍加白盐，每日食用二至三次，两天内出血即止，食欲也会逐渐恢复。猪大肠吃或不吃均可，按此法连续食用七日。另用归脾汤制成丸药（见“内外备用诸方”章节）每日服用，即可根治。坚持服药永不复发，真是神效之方。
另一方案：豆腐（指未经过布袋滤浆的原始豆腐）炒至老黄色，摊开冷却，每次空腹服用三钱，每日三次。若血色紫暗者，应多服。
又一方案：有人大便下血，百药无效，病情危急，后来食用辣椒（又名青椒）五六两，一顿吃完，病愈。
又一方案：取一大把蚕豆叶，捣烂融碎，用热酒冲入，去渣，服用一碗，二三次即可痊愈。有人便血垂危，百药无效，服用此方遂愈。
又一方案：丝瓜藤（又名水瓜，又名线瓜）烧枯，研成粉末，用淡酒冲服，神效。
又一方案：取真桂圆肉二十一个，南枣十四个，白木耳一两，好白蜜四两，煎汤服用，三次即愈。因虚证导致的便血者，此方神效。
又一方案：通大海七个，开水泡发，去子，加冰糖调服，效果很好。因热证导致的便血者，此方甚效。
又一方案：使用寒药、热药及补脾药均无效时，用山楂肉研末，艾叶汤送服，应手而愈。或用荸荠捣汁两酒杯，兑好酒服用，数日即愈。
又一方案：凡是下血症状好转后复发、不能彻底根除者，用久蒸的黑芝麻，细细咀嚼食用二两，每日食用数次，服用数月，不但下血断根，且能补肾益精，长期服用可百病不生，功效难以尽述。
The formula is found in the "Muscles and Bones" section.
Take three large river snails, pound them into a paste, add 3 fen of green salt, apply to the area one cun and three fen below the umbilicus; bowel movement will immediately become unobstructed.
This condition is named "Intestinal Redness" (Chang Hong), also known as "Intestinal Wind" (Chang Feng). Use eight cun of pig large intestine, wash it extremely clean. Take two liang of white lotus seeds (remove the heart but keep the skin), stuff them into the intestine, tie both ends tightly with thread, and boil until very soft. Take out the lotus seeds, add a little white salt, and consume twice or three times daily. The bleeding will stop within two days, and appetite will gradually increase. Whether to eat the pig intestine or not is optional; follow this diet for seven days. Additionally, use Guipi Tang (Spleen-Restoring Decoction) made into pills (see "Internal and External Ready-Made Formulas") taken daily to eradicate the root cause. If taken consistently, it will never recur; truly a miraculous formula.
Another prescription: Stir-fry tofu (specifically that which has not been filtered through a cloth bag to extract the milk) until it turns old yellow color, spread it out to cool. Consume 3 qian on an empty stomach each time, three times a day. For those with dark purple blood, take more.
Another case: A patient suffered from hematochezia (blood in stool), to which all medicines were ineffective, and the condition was critical. Later, he consumed five or six liang of chili peppers (also known as green peppers) in one sitting, and was cured.
Another prescription: Take a large handful of lablab bean leaves, pound them into a pulp, pour hot wine over them, strain off the dregs, and drink one bowl. Recovery occurs after two or three doses. There was a case of a patient with critical hematochezia who failed all other treatments but recovered after taking this.
Another prescription: Lightly stir-fry black soybeans, crush them, soak in water or wine, and drink. Immediate effect.
Another prescription: Burn dried loofah vine (also known as water melon, also known as thread melon) until charred, grind into powder, and take with light wine. Miraculous effect.
Another prescription: The honey-roasted radish formula from the "Strangury Disease" section is also effective.
Another prescription: Take twenty-one pieces of true longan aril, fourteen southern dates, one liang of white tremella mushroom, and four liang of good white honey. Decoct and take orally. Cure occurs after three doses. This is miraculous for hematochezia caused by deficiency.
Another prescription: Take seven pieces of Tong Da Hai (Sterculia lychnophora seed), soak in boiling water until expanded, remove the seeds, mix with rock sugar, and take orally. Very effective. Especially effective for hematochezia caused by heat.
Another prescription: Boil crucian carp in wine and consume regularly; this is best.
Another prescription: When cold herbs, hot herbs, and spleen-tonifying herbs are all ineffective, use powdered hawthorn flesh (Shan Zha Rou), mixed with mugwort leaf decoction and taken orally. Cure follows immediately. Alternatively, crush water chestnuts to extract juice (two wine cups), mix with good wine, and take. Recovery occurs within several days.
Another prescription: For cases where lower bleeding improves but recurs repeatedly and cannot be permanently eradicated, use black sesame seeds steamed for a long time. Chew finely and consume two liang, several times a day. After taking for several months, not only is the hematochezia eradicated, but kidney essence is also tonified. Long-term consumption prevents various diseases; the efficacy is too numerous to describe fully.