叶余庆。字符善。平江人。自云。尝病瘵疾。其居对桥。而行不能度。有僧为之灸膏肓
穴。
得百壮。后二日。即能行数里。登降皆不倦。自是康强。其取穴法。但并足垂手正身直立。
勿令俯仰。取第四椎下两旁同身寸各三寸。灸时。以软物枕头覆面卧。垂手附身。或临时置
身。取安便而已。其转为人灸。亦用此法。云皆有功。然于昔人取穴之法甚略。又与千金方
立点则立灸之说不合。欧阳兴世行之。陈了翁莹中 也。了翁得无为张济针术。其求穴尤妙
尝为行之灸膏肓 。故痕可见。以叶所言。校之叶穴微下。盖脊有曲直之殊。不能无少异
也。又常熟县医潘琪云。渠传之于师。取穴之法。正坐曲脊。并足而仰两手。令大指与脐屈
肘当髀股上亦自是。其说虽与千金方伸臂令正直之法不同。然此立点则近古矣。又衢州开化
县。普鉴院僧仲开。得取穴三法。其一法。正坐竖立两膝当乳。以两臂环抱。屈手向膝。以
左手头指以指捏左膝眼。右手指亦然。于背上数椎骨量穴。根据此坐灸。又法。正坐立膝。同
上以臂贴膝外。直伸向足。竖两手相背。以头指向身。手捏两足大指头岐间。余亦如上。其
比同身寸。只用伸指法。似亦可用。今俱存之。不特以备见闻之博。且使后人较其短长知所
适从。不为异端之所惑也。
叶余庆，字子善，是平江人。他自称曾经患过痨病（慢性消耗性疾病），居住在对桥附近，但当时身体虚弱到无法走过桥梁。有一位僧人为他施灸膏肓穴，累计灸了一百壮。两天后，他就能行走数里路，上下楼梯都不感到疲倦。从此以后，他的身体变得健康强壮。
关于取穴的方法，只需双脚并拢、双手下垂、身体端正直立，不要前俯后仰。在第四胸椎棘突下两旁，各旁开同身寸三寸处取穴。施灸时，用软物垫枕，面部朝下俯卧，双手自然垂附于身体两侧，或者临时调整姿势，以舒适方便为原则。如果是让别人为自己施灸，也采用这种方法，据说都有疗效。
然而，这种取穴方法对于古人记载的取穴法来说过于简略，而且与《千金方》中“立点则立灸之”（站立定位即站立施灸）的说法不相符合。欧阳兴世实践了这种方法，陈了翁（名莹中）也是如此。陈了翁从无为的张济那里学到了针刺技术，他寻找穴位尤为精妙，曾为欧阳兴世施灸膏肓穴，因此背部留下了灸痕。将叶余庆所说的方法与陈了翁留下的痕迹相比，叶氏所指的穴位位置略微偏低，这大概是因为脊柱有弯曲和挺直的不同，所以不能没有细微的差异。
另外，常熟县的医生潘琪说，他是从老师那里传承下来的取穴法：正坐，弯曲脊背，双脚并拢，双手向上仰起，使大拇指对准肚脐，手肘弯曲位于大腿上方，这也算是正确的。虽然这种说法与《千金方》中伸直手臂使其正直的方法不同，但这种站立定位的方法接近古法。
此外，衢州开化县普鉴院的僧人仲开，掌握了三种取穴法。第一种方法：正坐竖立，双膝对准乳头位置，双臂环抱，屈手向膝盖方向，用左手拇指捏住左膝眼，右手拇指亦然，然后在背上数脊椎骨来测量取穴位置，依据此坐姿进行施灸。第二种方法：正坐立膝，同上，双臂贴于膝盖外侧，直伸向足部，双手竖起相背，拇指指向身体，用手捏住两脚大拇指头分叉之间，其余操作同上。这种方法比用同身寸测量，只使用伸指法，似乎也可行。现在都将这些方法保存下来，不仅是为了展示见闻的广博，而且为了让后人比较其长短，知道该遵循哪一种，不被异端邪说所迷惑。
Ye Yuqing, courtesy name Zishan, was a native of Pingjiang. He claimed to have once suffered from *lao bing* (consumptive disease). His residence was near Duiqiao Bridge, but at that time, he was too weak to cross it. A monk moxibusted his *Gaohuang* (BL43) acupoint, administering a total of one hundred moxa cones (*zhuang*). Two days later, he was able to walk several *li*, climbing and descending without fatigue. From then on, he recovered his health and strength.
Regarding the method for locating the acupoint: One should stand upright with feet together and arms hanging down naturally, keeping the body straight without bending forward or backward. The point is located three *cun* (body-inch measurements) lateral to the lower border of the fourth thoracic vertebra spinous process. During moxibustion, one lies prone with the face covered and head supported by a soft pillow, arms hanging alongside the body, or adjusts the posture temporarily for comfort and convenience. When having another person perform the moxibustion, this same method is used, which is said to be effective.
However, this method is rather brief compared to ancient methods of acupoint location and does not align with the principle in the *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) that states "locate while standing, then moxibustate while standing." Ouyang Xingshi practiced this method, as did Chen Liaoweng (courtesy name Yingzhong). Chen Liaoweng acquired acupuncture techniques from Zhang Ji of Wuwei; his skill in locating acupoints was particularly exquisite. He once performed moxibustion on Ouyang Xingshi's *Gaohuang* points, leaving visible marks. Comparing Ye's description with these marks, Ye's described location is slightly lower. This is likely due to variations in spinal curvature, leading to minor discrepancies.
Additionally, Pan Qi, a physician from Changshu County, stated that he inherited this method from his teacher: Sit upright, curve the spine, keep feet together, and raise both hands so that the thumbs align with the umbilicus, with elbows bent and positioned above the thighs. This is also considered correct. Although this differs from the *Qianjin Fang* method of extending the arms straight, this standing-location approach is closer to ancient practices.
Furthermore, Zhongkai, a monk at Pujian Temple in Kaihua County, Quzhou, mastered three methods for locating the acupoint. The first method: Sit upright with knees aligned with the nipples, wrap arms around, bend hands toward the knees, and use the left thumb to pinch the left knee eye (*Xiyan*), doing the same with the right hand. Then count the vertebral bones on the back to measure and locate the point, performing moxibustion based on this sitting posture. The second method: Sit upright with knees raised as above, place arms against the outer sides of the knees, extend them straight toward the feet, hold hands vertically with backs facing each other, thumbs pointing toward the body, and pinch the webbing between the big toes of both feet. The rest follows the previous method. This method, using finger extension instead of *cun* measurement, seems also applicable. These methods are preserved here not only to demonstrate broad knowledge but also to allow future generations to compare their merits and demerits, know which to follow, and avoid being confused by heterodox teachings.