穴位别名:后溪、后溪穴
穴位位置
在手背,第5掌指关节尺侧近端赤白肉际凹陷处。
手掌向下,小指侧掌指关节后方的凹陷处。
Small Intestine 3 – Back Stream
On the dorsum of the hand, in the depression proximal to the ulnar side of the 5th metacarpophalangeal joint, at the border between red and white flesh.
找穴方法
张开手掌;沿小指向腕方向找掌指关节前方凹陷;最易感到压痛点即是后溪穴。
可更清晰看到掌侧横纹;穴位在 小指掌指关节近端横纹末端赤白肉际处。
Make a loose fist; the point is just proximal to the fifth metacarpophalangeal joint on the ulnar side at the red‑white skin junction.
按摩手法
坐姿或放松状态下,用拇指以稳定压力按揉 1–2 分钟;感觉酸、胀、微麻为宜,不宜过猛。
Use your thumb pad to press and circularly massage the point for 60–120 seconds; intensity should produce a comfortable “deep pressure” sensation, not painful.
Relax the hand during the massage; can be repeated 2–3 times daily.
穴位功效
疏通督脉,强化全身阳气通达;调节颈肩背痛、脑神经功能。
English functions:
Regulates the Governing Vessel (Du Mai), benefiting the occiput, neck, and back;
Activates the meridian and relieves pain along the small intestine channel;
Expels internal and external wind, helps clear febrile heat;
Calms the spirit and benefits sensory orifices.
适用症状
颈项强痛、肩背痛;手臂疼痛、指关节痉挛、指麻木;头痛、偏头痛、耳鸣耳聋;夜汗、恶热、疟疾、热病等。
English indications:
Pain and stiffness of the neck and back;
Shoulder, elbow, and arm pain; finger spasm and numbness;
Tinnitus, deafness, headache;
Night sweating and febrile diseases (heat disorders), including malaria‑type symptoms.
穴位禁忌
不适宜于局部感染、炎症明显区域进行强压。
EN / Contraindications:
Avoid strong pressure on open wounds, acute infection, inflammation, or bruised area;
Do not apply deep needling or aggressive massage without trained practitioner supervision.
穴位解说
在经典针灸理论中,SI‑3 后溪为 输穴和八脉交会穴,是小肠经与奇经督脉 (Du Mai) 的重要连接点。
后溪在古典文献中用于调节督脉全身阳气的通达、颈背强痛及“风热”病证。
在传统针灸应用中,它常与 BL‑62(申脉 Shenmai) 配伍以更有效调控督脉。