Feature：

Jing - River and Fire point of the Gall Bladder channel

穴位特点：

五腧穴之井穴（五行属火）

Location:

On the lateral aspect of the lower leg, 4 cun superior to the prominence of the lateral malleolus, at the anterior border of the fibula.

The Location of Yang Fu GB-38 from A Manual of Acupuncture by Deadman

Needling:

Perpendicular insertion 0.7 to 1 cun.

Actions:

1. Clears Gall Bladder channel heat. (清胆经之热)。

2. Harmonises shaoyang (和解少阳)

3. Benefits the sinews and bones (利肌肉与骨)

4. Activates the channel and alleviates pain (通经止痛)

Indications:

1. One-sided headache, pain of the outer canthus, throat painful obstruction.

一侧头痛，目外眦疼痛，咽痛闭塞。

2. Bitter taste in the mouth, sighing, pain of the chest and lateral costal region, chills and fever, sweating with cold shivering, pain in the middle of the supraclavicular fossa, swelling and pain of the axilla, scrofula, malaria, blue-green (qing) complexion.

口苦，叹息，胸胁疼痛，寒热往来，寒战汗出，锁骨窝中间疼痛，腋下肿痛，淋巴结核，疟疾，面色发青。

3. Wind painful obstruction with numbness, wandering pain of the joints, hemiplegia, contracted sinews, pain of the hundred joints, pain and numbness of the lateral side of the lower limb, lower limb painful obstruction, oedema below the knee, leg qi, sensation in the lumbar region as if sitting in water, severe lumbar pain, lumbar pain like a small hammer in the middle of the back, pain of the lateral malleolus.

风痛阻塞伴麻木，关节游走疼痛，偏瘫，肌肉抽搐，百节疼痛，小腿外侧疼痛麻木，小腿疼痛阻塞，膝盖下水肿，腰中冷如坐水中，严重腰痛，腰痛如锤击，外踝疼痛。