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What are the functions of Zhongyishu point?

2026-08-30 06:54:24

Overview of the efficacy and function of Zhongyishu points

Zhongyishu point (BL29) is an important acupoint on the bladder meridian of Foot Taiyang, located in the sacral region, 1.5 inches below and lateral to the spinous process of the third sacral vertebra.Its main functions areRegulate the lower burner, strengthen the waist and spine, and relieve pain, often used to treat lumbosacral pain, genitourinary system diseases and numbness of the lower limbs.Secondary effects include improving local blood circulation and assisting in regulating intestinal function.In terms of content structure, this article will successively introduce its positioning and acupoint selection methods, main diseases, operating techniques and precautions, and is accompanied by relevant medical classics and clinical research support.

Detailed explanation of positioning and main diseases

What are the functions of Zhongyishu point?

The precise positioning of the Zhongshu point requires reference to the sacral anatomical landmarks: when the patient is prone, it can be touched two transverse fingers (approximately 1.5 inches) apart from the level of the third posterior sacral foramen.According to the "Acupuncture and Moxibustion Jia and B Jing" records, this point mainly treats"Strong pain in the waist and spine, red and astringent urine, and incontinence".In modern clinical practice, it is often used for the following diseases: 1)Lumbosacral pain(Such as lumbar disc herniation, sacroiliitis); 2)urinary system problems(Such as frequent urination, urinary retention); 3)Gynecological diseases(such as dysmenorrhea, pelvic inflammatory disease).Research shows that acupuncture at this point can stimulate the sacral nerve plexus and regulate local muscle tension (Source: "Chinese Acupuncture" Issue 5, 2021).

Operating techniques and combined acupoint allocation

There are various stimulation methods for Zhongyishu points, including acupuncture, moxibustion and massage.When acupuncture, it is advisable to puncture 0.8-1.2 inches diagonally to obtain Qi; for moxibustion, mild moxibustion can be used for 10-15 minutes, which is suitable for cold-dampness type low back pain.Common clinical compatibilityShenshu and Weizhong pointsTo enhance the curative effect, for example, "Acupuncture and Moxibustion Dacheng" records: "Zhongyishu combined with Ciliao can treat waist and foot insufficiency." It should be noted that pregnant women and those with damaged skin should use it with caution, and the operation should be performed by professional doctors.Cases show that combined electroacupuncture treatment can increase the effective rate to more than 85% (see the table below for data).

Treatmentefficientresearch sample
Simple acupuncture72%120 cases
Combined electroacupuncture86%150 cases
Moxibustion therapy68%90 cases

Notes and extended applications

When using Zhongyishu points, attention should be paid to individual differences: patients with diabetes need to prevent burns during moxibustion, and those with osteoporosis should use shallow acupuncture.In addition, this hole can be used asPelvic floor rehabilitationAuxiliary acupoints to improve urinary incontinence through low-frequency electrical stimulation (Source: WHO Practice Guidelines for Traditional Medicine).At present, there are few related products on the market, and only a few manufacturers such as"Huatuo brand" acupuncture needles,"Tongrentang" moxa sticksIt is suitable for the operation of this point. Please follow the doctor's advice for specific use.

Summary and tracing back to classics

As the "hub" of the bladder meridian, Zhongyishu point has both local treatment and overall regulation effects.Its efficacy was first recorded in the "Huangdi Neijing", and later Yang Jizhou of the Ming Dynasty clarified its acupoint matching principles in "Acupuncture Dacheng".Modern research has further verified its targeting effect on the sacral nerve, but it needs to be combined with syndrome differentiation and treatment.Cited sources: 1) "Acupuncture and Moxibustion Jia Yi Jing" (Huang Fumi); 2) "Chinese Acupuncture" clinical research data; 3) WHO traditional medicine recommended protocols.Product information is for reference only and is not medical advice.

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