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The Hand-Taiyang Small Intestine Meridian has nineteen acupoints: Shaose (SI1), Qiangu (SI2), and Houxi (SI3) are encountered. Wangu (SI4), Yanggu (SI5), and Yanglao (SI6) can be found here; Zhizheng (SI7), Shaohai (SI8), and Jianzhen (SI9) follow the course. Tianzhu (SI10), Tianzong (SI11), and Bingfeng (SI12); Quyuan (SI13), Jianwaishu (SI14), and Jianzhongshu (SI15). Tianchuang (SI16) and Tianrong (SI17) are above the zygomatic bone, then entering the ear to circulate along Tinggong (SI19).

Shaose is at the tip of the little finger; Qiangu is sought on the lateral side of the metacarpophalangeal joint. Houxi is found in the depression distal to the joint; Wangu is located anterior to the pisiform bone on the lateral side. Yanggu is sought below the styloid process of the ulna; one cun proximal to the wrist crease is named Yanglao. Zhizheng is measured five cun posterior to the wrist; Shaohai is good at five fen medial to the end of the elbow. Jianzhen is between the two gaps below the scapula; Tianzhu is protected below the large bone. Tianzong is in the depression below the bone; Bingfeng has an empty space when the arm is raised posteriorly. Quyuan is in the depression of the curved scapula in the shoulder; Waishu follows one cun posterior to the scapula. Jianzhong is two cun lateral to Dazhu; Tianchuang is detailed by the pulsation under the cheek. Tianrong is posterior to the curved jaw below the ear; Quanliao is measured at the sharp end of the zygomatic bone. Tinggong is at the end of the ear, the size of a bean; this constitutes the Hand-Taiyang Small Intestine Meridian.

[Image: Diagram of the Bladder Fu Organ]
The Classic states: The Bladder is the official of the capital, where fluids are stored; only through qi transformation can they be excreted. It is also called the "black intestine." Various texts differ in their description of the bladder. Some claim it has an upper opening but no lower one; others say it has openings at both ends; or that there is a small aperture for discharge. All these are incorrect. Only the lower aperture discharges urine, while fluids from above are separated and seep into the bladder through the process of distinguishing clear from turbid. Their entry and exit depend on the function of qi. If the qi above does not transform, fluids pour into the Large Intestine causing diarrhea; if the qi below does not transform, it leads to urgent distension and dysuria, resulting in strangury if urine is not expelled.

The Foot-Taiyang Bladder Meridian originates from the inner canthus of the eye, ascends to the forehead, and intersects at the vertex. Its branch goes from the vertex to the upper angle of the ear. The main trunk enters the brain from the vertex, emerges again, descends separately down the neck, follows the medial aspect of the shoulder blade, flanks the spine, reaches the waist, enters the paraspinal muscles, connects with the Kidney, and belongs to the Bladder. Another branch descends from the waist, passes through the buttocks, and enters the popliteal fossa. A further branch separates from the medial aspect of the shoulder, passes laterally through the scapula, flanks the spine internally, crosses the hip joint, follows the posterior-lateral aspect of the thigh, converges in the popliteal fossa, descends through the calf muscle, emerges posterior to the lateral malleolus, follows Jinggu (BL64) to the lateral end of the little toe.

There are sixty-three acupoints in total, one hundred twenty-six on both sides.
Jingming (BL1) (also known as Leikong): Located in the inner canthus. The *Mingtang* records it in the depression one fen lateral to the inner canthus corner. It is the meeting point of the Hand-Taiyang, Foot-Taiyang, Foot-Yangming, Yin-Qiao, and Yang-Qiao meridians. Needle 1.5 fen deep; moxibustion three cones.
【Indications】Blurred vision, tearing upon exposure to wind, pterygium, white corneal opacity with itching, headache, and vertigo.