\r足阳明胃经图\p06-d32a7.bmp\r
《平人绝谷》篇伯高曰∶胃大一尺五寸，径五寸，长二尺六寸，横屈受水谷三斗五升。其中之谷常留二斗，水一斗
五升而满。《难经》曰∶胃重二斤一两。《肠胃》篇同。《素问·灵台秘典论》云∶脾胃者，仓禀之官，五味出焉。《本脏》
篇曰∶脾应肉。肉 坚大者胃浓，肉 么者胃薄；肉 小而么者胃不坚，肉 不称身者胃下。胃下者下脘约不利；肉
不坚者胃缓，肉 无小里累者胃结，胃结者上脘约不利也。
足阳明四十五，自承泣四白而数，巨 有地仓之积，大迎来颊车之伙，下关头维以人迎，水突气舍与缺盆。气户兮
库房屋翳，膺窗兮乳中乳根，不容承满，梁门关门，太乙滑肉，天枢外陵。大巨从水道归来，气冲入脾关之境，伏兔至
阴市梁丘，犊鼻自三里而行。上巨虚（即上廉）兮条口，下巨虚（即下廉）兮丰隆，解溪冲阳入陷谷，下内庭厉兑而终。
胃之经兮足阳明，承泣目下七分寻，四白目下方一寸，巨 鼻孔旁八分；地仓夹吻四分近，大迎颔下寸三中，颊车
耳下八分穴，下关耳前动脉行。头维神庭旁四五（神庭，督脉穴，在中行发际上五分。头维，去神庭四寸五分），人迎
喉旁寸五真，水突筋前迎下在，气舍突下穴相乘（气舍在水突下）。缺盆舍下横骨内，各去中行寸半明，气户璇玑旁四
寸，至乳六寸又四分，库房屋翳膺窗近，乳中正在乳头心。次有乳根出乳下，各一寸六不相侵（自气户至乳根六穴上下
相去各一寸六分，去中行任脉各四寸），却去中行须四寸，以前穴道与君陈。不容巨阙旁三寸（巨阙，任脉穴。脐上六
寸五分），却行幽门寸五新（幽门，肾经穴，巨阙旁一寸五分，在胃经、任脉二脉之中），其中承满与梁门，关门太一
滑肉门，上下一寸无多少，共去中行三寸中。天枢脐旁二寸间，枢下一寸外陵安，枢下二寸大巨穴，枢下四寸水道金，
枢下六寸归来好，共去中行二寸边，气冲鼠鼷上一寸（鼠鼷横骨尽处），又去中行四寸专。髀关膝上有尺二，伏兔膝上
六寸是，阴市膝上方三寸，梁丘膝上二寸记，膝膑陷中犊鼻存，膝下三寸三里至，膝下六寸上廉穴，膝下七寸条口味，
膝下八寸下廉看，膝下九寸丰隆系，却是踝上八寸量，以那下廉外边缀。解溪去庭六寸半（庭，内庭也），冲阳庭后五
寸换，陷谷庭后二寸间，内庭次指外间现（足大趾次趾外间陷中），厉兑大指次指端，去爪如韭胃井判。
按∶马玄台曰∶足阳明胃经穴，自缺盆、气户、库房、屋翳、膺窗、乳中、乳根，去中行各四寸。上下相去各一寸
六分，自不容、承满、梁门、关门、太乙、滑肉门，去中行各三寸，上下相去各一寸，自天枢、外陵、大巨、水道、归
来，去中行各二寸，上下相去不等。其气冲一穴，则又去中行二寸，鼠鼷上一寸。其屈曲有如此者，《徐氏针灸书》皆
以二行言之误矣。左右各四十五穴，共九十穴。
\r足阳明胃经之图\p06-d32a8.bmp\r
《平人绝谷》篇中，伯高说：胃的宽度是一尺五寸，直径五寸，长度二尺六寸，弯曲部分能容纳水谷三斗五升。其中常留存的谷物为二斗，水一斗五升，这样才算满。《难经》说：胃重二斤一两。《肠胃》篇的说法与此相同。《素问·灵台秘典论》说：脾和胃是负责储藏食物的官职，五味由此产生。《本脏》篇说：脾与肌肉相应。肌肉坚实且大的，说明胃壁厚实；肌肉细小的，说明胃壁薄弱；肌肉细小且松弛无力的，说明胃壁不坚固；肌肉与身体不相称（如身体大肌肉小）的，说明胃的位置下垂。胃位置下垂的，会导致下脘约束不利；肌肉不坚实的，说明胃体弛缓；肌肉没有细密纹理的，说明胃气郁结，胃气郁结的，会导致上脘约束不利。
足阳明胃经共有四十五穴，从承泣、四白开始计算，接着是巨髎、地仓，再到大迎、颊车，向下经过头维进入人迎，再到水突、气舍和缺盆。气户、库房、屋翳，膺窗、乳中、乳根，不容、承满，梁门、关门，太乙、滑肉门，天枢、外陵。大巨、水道、归来，气冲进入脾关的区域，伏兔、阴市、梁丘，犊鼻、足三里依次而行。上巨虚（即上廉）、条口，下巨虚（即下廉）、丰隆，解溪、冲阳进入陷谷，最后到内庭、厉兑结束。
胃的经脉是足阳明经，承泣穴在眼下七分处寻找，四白穴在目下一寸处，巨髎穴在鼻孔旁八分处；地仓穴夹在口角旁四分近处，大迎穴在下颌骨下方一寸三分处，颊车穴在耳下八分处，下关穴在耳前动脉搏动处。头维穴在神庭穴旁开四寸五分（神庭是督脉穴位，位于正中线上发际上五分。头维穴，距离神庭四寸五分），人迎穴在喉结旁一寸五分处确实存在，水突穴在筋前、人迎穴下方，气舍穴在水突穴下方相乘（气舍在水突下面）。缺盆穴在锁骨上窝横骨内侧，各距正中线一寸半处清晰可见，气户穴在璇玑穴旁开四寸，至乳头六寸又四分处，库房、屋翳、膺窗邻近，乳中穴正对乳头中心。其次有乳根穴出于乳头下方，各相距一寸六分互不侵犯（从气户到乳根这六个穴位上下间距各为一寸六分，距正中线任脉各四寸），此时离开正中线需四寸，前面的穴位向君陈述。不容穴在巨阙穴旁开三寸（巨阙是任脉穴位，脐上六寸五分），再向后行幽门穴一寸五分新设（幽门是肾经穴位，巨阙旁一寸五分，位于胃经、任脉两脉之间），其中的承满和梁门，关门、太乙、滑肉门，上下间距一寸不差，共距正中线三寸处。天枢穴在脐旁二寸间，天枢下一寸安设外陵，天枢下二寸是大巨穴，天枢下四寸是水道金穴，天枢下六寸归来穴好，共距正中线二寸边，气冲穴在鼠鼷上一寸（鼠鼷指横骨尽头处），又距正中线四寸专一。髀关穴在膝上一尺二寸，伏兔穴在膝上六寸处，阴市穴在膝上方三寸，梁丘穴在膝上二寸处记录，膝膑凹陷中有犊鼻存留，膝下三寸足三里到达，膝下六寸上廉穴，膝下七寸条口感知，膝下八寸下廉看，膝下九寸丰隆系，却是踝上八寸测量，用那下廉的外边连接。解溪穴距离内庭六寸半（内庭即内庭），冲阳穴在内庭后五寸更换，陷谷穴在内庭后二寸间，内庭穴在第二趾外侧间显现（足大趾次趾外侧间凹陷中），厉兑穴在大趾次趾端，距指甲如韭菜叶宽处判定为胃经井穴。
按语：马玄台说：足阳明胃经穴位，从缺盆、气户、库房、屋翳、膺窗、乳中、乳根，距正中线各四寸。上下间距各一寸六分，自不容、承满、梁门、关门、太乙、滑肉门，距正中线各三寸，上下间距各一寸，自天枢、外陵、大巨、水道、归来，距正中线各二寸，上下间距不等。其气冲一穴，则又距正中线二寸，鼠鼷上一寸。其屈曲情况如此，《徐氏针灸书》都以两行论述是错误的。左右各四十五穴，共九十穴。
足阳明胃经之图
Figure of the Foot-Yangming Stomach Meridian
In the chapter "Ping Ren Jue Gu" (Normal Person Fasting from Grain), Bo Gao stated: The stomach has a width of one chi five cun, a diameter of five cun, and a length of two chi six cun. Its curved portion can hold three dou five sheng of water and grain. It commonly retains two dou of grain and one dou five sheng of water when full. The *Nan Jing* (Classic of Difficult Issues) states that the stomach weighs two jin one liang. The chapter "Chang Wei" (Intestines and Stomach) agrees with this. The *Su Wen · Ling Tai Mi Dian Lun* says: The spleen and stomach are the officials in charge of storage, from which the five flavors emerge. The chapter "Ben Zang" states: The spleen corresponds to the flesh. If the flesh is firm and large, the stomach wall is thick; if the flesh is small, the stomach wall is thin; if the flesh is small and flaccid, the stomach wall is not firm; if the flesh is disproportionate to the body, the stomach is positioned low. A low-positioned stomach results in dysfunction of the lower constriction (Xia Wan); flaccid flesh indicates a relaxed stomach; flesh lacking fine texture indicates constrained stomach Qi, and constrained stomach Qi results in dysfunction of the upper constriction (Shang Wan).
The Foot-Yangming Stomach Meridian consists of forty-five acupoints. Counting from Chengqi (ST1) and Sibai (ST2), we accumulate Ju Liao (ST3) and Di Cang (ST4), followed by Da Ying (ST5) and Jia Che (ST6). Descending through Tou Wei (ST8) to enter Ren Ying (ST9), then Shui Tu (ST10), Qi She (ST11), and Que Pen (ST12). Qi Hu (ST13), Ku Fang (ST14), Wu Yi (ST15), Ying Chuang (ST16), Ru Zhong (ST17), and Ru Gen (ST18). Bu Rong (ST19), Cheng Man (ST20), Liang Men (ST21), Guan Men (ST22), Tai Yi (ST23), Hua Rou Men (ST24), Tian Shu (ST25), and Wai Ling (ST26). Da Ju (ST27), Shui Dao (ST28), and Gui Lai (ST29). Qi Chong (ST30) enters the realm of Pi Guan (ST31). Fu Tu (ST32) leads to Yin Shi (ST33) and Liang Qiu (ST34). Du Bi (ST35) proceeds to Zu San Li (ST36). Shang Ju Xu (ST37, also known as Shang Lian) and Tiao Kou (ST38). Xia Ju Xu (ST39, also known as Xia Lian) and Feng Long (ST40). Jie Xi (ST41) and Chong Yang (ST42) enter Xian Gu (ST43). Finally ending at Nei Ting (ST44) and Li Dui (ST45).
The meridian of the stomach is the Foot-Yangming. Chengqi is found seven fen below the eye. Sibai is one cun below the eye. Ju Liao is eight fen beside the nostril. Di Cang is close to four fen beside the corner of the mouth. Da Ying is one cun three fen below the mandible. Jia Che is eight fen below the ear. Xia Guan moves with the artery in front of the ear. Tou Wei is four cun five fen beside Shen Ting (Shen Ting is a Governor Vessel point located five fen above the hairline on the midline. Tou Wei is four cun five fen away from Shen Ting). Ren Ying is truly present one cun five fen beside the throat. Shui Tu is in front of the tendon, below Ren Ying. Qi She multiplies below Shui Tu (Qi She is below Shui Tu). Que Pen is inside the transverse bone below the hollow, clearly visible each one cun half away from the midline. Qi Hu is four cun beside Xuan Ji. To the breast is six cun and four fen. Ku Fang, Wu Yi, and Ying Chuang are near. Ru Zhong is exactly at the center of the nipple. Next, Ru Gen emerges below the breast, each one cun six fen apart without invading each other (From Qi Hu to Ru Gen, these six points are spaced one cun six fen vertically, and four cun away from the midline Ren Vessel). Now leaving the midline requires four cun, stating the previous acupoints to you. Bu Rong is three cun beside Ju Que (Ju Que is a Conception Vessel point, six cun five fen above the umbilicus). Moving back one cun five fen sets up You Men (You Men is a Kidney Meridian point, one cun five fen beside Ju Que, situated between the Stomach Meridian and Conception Vessel). Within are Cheng Man and Liang Men, Guan Men, Tai Yi, and Hua Rou Men. The vertical distance is one cun without excess or deficiency, totaling three cun from the midline. Tian Shu is between two cun beside the umbilicus. One cun below Tian Shu installs Wai Ling. Two cun below Tian Shu is Da Ju. Four cun below Tian Shu is Shui Dao (Metal). Six cun below Tian Shu is Gui Lai (Good). Together they are two cun from the midline. Qi Chong is one cun above the inguinal region (the end of the transverse bone), and specifically four cun from the midline. Bi Guan is one chi two cun above the knee. Fu Tu is six cun above the knee. Yin Shi is three cun above the knee. Liang Qiu is recorded at two cun above the knee. Du Bi exists in the depression of the kneecap. Zu San Li reaches three cun below the knee. Shang Lian is at six cun below the knee. Tiao Kou tastes at seven cun below the knee. Xia Lian is seen at eight cun below the knee. Feng Long is tied at nine cun below the knee, measured actually at eight cun above the ankle, connecting from the outside of Xia Lian. Jie Xi is six cun and half away from Nei Ting (Nei Ting is Nei Ting). Chong Yang changes five cun behind Nei Ting. Xian Gu is between two cun behind Nei Ting. Nei Ting appears in the space between the outer sides of the second toes (in the depression between the lateral side of the great toe and the second toe). Li Dui is at the tip of the great toe and second toe, judged as the Jing-Well point of the Stomach where the distance to the nail is like a leek leaf.
Note: Ma Xuantai said: For the acupoints of the Foot-Yangming Stomach Meridian, from Que Pen, Qi Hu, Ku Fang, Wu Yi, Ying Chuang, Ru Zhong, and Ru Gen, they are each four cun away from the midline. The vertical spacing is one cun six fen. From Bu Rong, Cheng Man, Liang Men, Guan Men, Tai Yi, and Hua Rou Men, they are each three cun away from the midline, with vertical spacing of one cun. From Tian Shu, Wai Ling, Da Ju, Shui Dao, and Gui Lai, they are each two cun away from the midline, with unequal vertical spacing. For the single point Qi Chong, it is again two cun from the midline, one cun above the inguinal region. Its curvature is such that the *Xu Shi Zhen Jiu Shu* (Xu's Acupuncture Book) was mistaken in discussing them as two rows. There are forty-five acupoints on each side, totaling ninety acupoints.
Figure of the Foot-Yangming Stomach Meridian