BL49 Yishe

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

BL49 (Yishe, “Yishe”) is an acupuncture point on the Bladder Meridian. It is located on the back, 3 cun lateral to the midline, at the level of the lower border of the spinous process of the eleventh thoracic vertebra (T11). It harmonizes the middle jiao, resolves dampness, clears damp-heat, and benefits the Spleen and Stomach.

Location

On the back, 3 cun lateral to the midline, at the level of the lower border of the spinous process of the eleventh thoracic vertebra (T11).

Needling

Oblique insertion towards the spine, 0.5 to 1.0 cun. Deep perpendicular or oblique lateral insertion carries a risk of pneumothorax.

TCM functions

Harmonizes the middle jiao, resolves dampness, clears damp-heat, and benefits the Spleen and Stomach.

Indications

Abdominal fullness and vacuity distention, slippery stool, diarrhea, back pain, aversion to wind and cold, inability to eat or drink, vomiting, wasting and thirsting (diabetes), body heat, yellow eyes, yellow face, chest fullness, chest and back pain, gurgling intestines, urinary redness and yellowing.

Clinical notes

Yishe is a key point for addressing digestive disorders stemming from Spleen and Stomach disharmony, particularly when dampness is a factor. It effectively treats abdominal distention, loose stools, and poor appetite. Its classical indication for wasting and thirsting (Xiao Ke) highlights its role in regulating fluid metabolism and addressing symptoms like excessive thirst and urination, often seen in diabetes. The point also treats jaundice and back pain, reflecting its ability to clear damp-heat and open the Bladder channel.

In the classical sources

Classical text; the translation was prepared with AI and is not clinical advice.

《醫宗金鑑·刺灸心法要訣》 Yīzōng Jīnjiàn · Cìjiǔ Xīnfǎ Yàojué — Golden Mirror of Medicine: Essential Teachings on Acupuncture & Moxibustion, Wu Qian et al., 1742 · 卷七 · 背部主病針灸要穴歌 · Source: jicheng.tw ↗

意舍主治脅滿痛,兼療嘔吐立時寧

The verse records that BL49 was used for fullness and pain of the flanks, and also for vomiting, which it says would settle at once.

《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之八·陰陽臟腑部 · 穴法下 · Source: jicheng.tw ↗

意舍二穴,在第十一椎下兩旁,相去各三寸陷中,正坐取之,足太陽脈氣所發。 針入五分,灸五十壯至百壯

It is located in the depression on both sides below the eleventh vertebra, 3 cun from the midline, found sitting upright, according to this text, where the foot taiyang qi emerges; BL49 is needled 5 fen and moxibusted with 50 to 100 cones.

《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗

意舍十一节外三寸。 针五分,灸五壮,至一百壮止。 主腹满虚胀,大便泄滑,消渴面黄,嗜饮,目赤

According to this text, BL49 lies 3 cun lateral to the eleventh vertebra; needle 5 fen, moxa from 5 up to 100 cones. It records use for abdominal fullness and deficient distension, slippery diarrhoea, wasting-thirst with yellow face, craving for drink and red eyes.

On the Bladder channel

BL49 is one of 67 points on the Bladder Meridian. Nearby points:

Frequently asked questions

Where is BL49 located?

BL49 (Yishe) is located on the back, 3 cun lateral to the midline, at the level of the lower border of the spinous process of the eleventh thoracic vertebra (T11).

What is BL49 used for?

BL49 harmonizes the middle jiao, resolves dampness, clears damp-heat, and benefits the Spleen and Stomach. Common clinical indications include abdominal fullness and vacuity distention, slippery stool, diarrhea, back pain, aversion to wind and cold, inability to eat or drink, vomiting, wasting and thirsting (diabetes), body heat, yellow eyes, yellow face, chest fullness, chest and back pain, gurgling intestines, urinary redness and yellowing.

How is BL49 needled?

Oblique insertion towards the spine, 0.5 to 1.0 cun. Deep perpendicular or oblique lateral insertion carries a risk of pneumothorax.

Which meridian is BL49 on?

BL49 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.