Feature:

Luo-Connecting point of the San Jiao Channel; Confluent point of the Yang Linking Vessel.

穴位特点：三焦经之络穴；八脉交会穴交于阳维脉。

Location:

2 Cun proximal to Yang Chi SJ-4, in the depression between the radius and the ulna, on the radial side of the extensor digitorum communis tendons.

The Location of Wai Guan SJ-5 from A Manual of Acupuncture by Deadman

Needling:

1. Slightly oblique insertion towards the ulnar side or oblique proximal or distal insertion towards the elbow or wrist respectively, 0.5 to 1.5 cun.

2. Joined by through-needling to Nei Guan PC-6

Actions：

1. Expels wind and releases the exterior （祛风解表）

2. Benefits the head and ears (利头耳)

3. Opens the Yang Linking vessel (开阳维脉)

4. Clears heat (清热)

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

Indications：

1. Injury by cold, chills and fever, sweating with heat on the exterior, febrile disease.

伤于寒，寒热往来，体热而汗出，热病。

2. Headache, thunder head wind, head wind, Kidney deficiency headache, one-sided headache, pain of the vertex, frontal headache, pain of the nape, dizziness, phlegm inversion dizziness, wind dizziness, hypertension.

头痛，雷头风，头风，肾虚头痛，一侧头痛，巅顶头痛，前额头痛，项痛，眩晕，痰壅眩晕，风眩，高血压

3. Deafness, impaired hearing, tinnitus, pain of the ear, itching of the ear, redness, pain and swelling of the root of the ear.

耳聋，耳朵受损，耳鸣，耳痛，耳痒，耳根红肿疼痛。

4. Redness, pain and swelling of the eyes, cold and pain of the eyes, superficial visual obstruction, lacrimation on exposure to wind, cold lacrimation.

目赤肿痛，目冷目痛，目翳遮睛，迎风流泪，遇寒流泪。

5. Swelling and pain of the cheek, stiffness of the tongue with difficulty in speaking, toothache, ulceration of the mouth, cracked lips, nosebleed, scrofula, mumps.

面颊肿疼，舌强不能语，牙疼，口疮，唇裂，鼻衄，淋巴结核，痄腮

6. Constipation, abdominal pain, oppression and tightness of the chest, pain of the lateral costal region, vomiting blood, knotting of heat in the five zang and six fu.

便秘，腹痛，胸闷胸紧，胁肋疼痛，呕血，五脏六腑结热

7. Pain of the shoulder and back, stiff neck, pain of the ribs and lateral costal region, numbness and pain of the elbow and arm, contraction of the elbow, flaccidity of the elbow, soreness and heaviness of the elbow and wrist, swelling and redness of the arm, paralysis and numbness of the arm, hemiplegia, severe pain of the fingers with inability to grasp objects, coldness, numbness and pain of the hands and feet, tremor of the hand, redness, swelling and pain of the ankle, pain of the toes, pain of the hundred joints.

肩背痛，项强，胁肋疼痛，手肘手臂麻木疼痛，手肘拘挛，手肘无力，手肘手腕酸疼沉重，手臂红肿，手臂偏瘫麻木，偏瘫，手指剧痛不能抓握，手足寒,麻木,疼痛，手震颤，踝肿痛，大脚趾疼痛，百节疼痛。