穴道名稱：上巨虛

胃經氣血在處於較低的天部層次。
1.上巨虛。上，上部也。巨，範圍巨大也。虛，虛少也。該穴名意指本穴的氣血物質處於較低的天部層次，較高的天部層次氣血物質虛少。本穴物質為足三里穴傳來的氣化之氣，因其氣水濕較多而滯重，至本穴後所處為較低的天部層次，天之上部的氣血相對處於空虛之狀，故名。巨虛上廉穴等其餘穴名之名意與上巨虛同，上廉穴，指上部氣血物質虛少、廉潔之意。
2.大腸合穴。本穴物質為天之下部的水濕之氣，其性及所處層次與大腸經氣血相同，故為大腸經合穴。

直刺1～1.5寸。

在脛骨前肌中；有脛前動、靜脈；布有腓腸外側皮神經及隱神經的皮支，深層當腓深神經。

上巨虛穴配陽陵泉穴、足三里穴治膝痛。配天樞、曲池治療細菌性痢疾；配支溝、大腸俞主治便秘。泄痢膿血：下廉、幽門、太白。胸脅滿引腹：下廉、丘墟、俠溪、腎俞。

艾條灸5-15分鐘，艾炷灸3-7壯

Upper Great Void;The Lower HeSea Point of the Large Intestine

Abdominal pain and distension, borborygmus, diarrhea, dysentery, constipation, enteritis, paralysis due to stroke, beriberi. Regulates Stomach and Intestines, reduces dampness and heat, as well as stagnation and accumulation in middle jiao.6 cun distal to ST 35, 1 finger-breadth lateral to Tibial crest of the tibia.Vasculature: The anterior tibial artery and vein.Innervation: Superficially, the lateral sural cutaneous nerve and the cutaneous branch of the saphenous nerve; deeper, the deep peroneal nerve.