Acupuncture Point Hunmen (BL47)
Location:
Lie pronely; at the level of the lower border of spinous process of the 9th thoracic vertebra, 3 cun apart from JinsuoGV8(Jinsuo (GV8)) laterally.

Function:
Soothing the liver, regulating the circulation of qi, and normalizing the functions of the stomach and intestines.

Regional Anatomy:
Skin-subcutaneous tissue-latissimus muscle of back-inferior posterior serratus muscls-erector spinal muscle.
In the superficial layer, there are the cutaneous branches of the posterior branches of the 9th and 10th thoracic nerves and the accompanying arteries and vein, In the deep layer, there are the muschlar branches of the posterior branches of the 9th and 10th thoracic nerves and the branches or tributaries of the dorsal branches of the related posterior intercostal arteries and veins.

Indications:
Hepatitis, pleuritis, endocarditis, cholecysitis, gastrospasm, borborygmus, esophagostenosis, anorexia, indigestion, muscular rheumatosis, and intercostal neuralgia.

Prescription:
Combined use with NeiguanPC6 (Neiguan (PC6) Luo-Connecting Point the Eight Confluent Point) for treatment of cholecysitis; with ZusanliST36 (Zusanli (ST36) He-Sea Point) for treatment of neurasthenia; and with YaoyangguanGV3 (Acupuncture Single Point Yaoyangguan (GV3)) for treatment of vomiting.

Methods:
Insert the needle horizontally, 0.5-0.8 cun deep; needling response: local numbness and distension; moxibustion: using 3-7 moxa-cones, or mild moxibustion for 15 min.
Note:
Don`t puncture deeply, or else the needle would penetrate the levator muscles of ribs-the external intercostal muscle-the internal intercostal muscle-the parietal pleura-the pleural cavity-the visceral pleura and the lung by its tip, and cause an injury to lung tissue and leading to pneumatothorax.