Sciatica is a syndrome characterized by pain radiating from the back into the buttocks and into the lower extremities along its posterior or lateral aspect.  The straight-leg-raising test is positive, and the Achilles reflex is weakened. 【Treatment】 (1) Acupuncture Prescription: Shenshu (BL23), Qihaishu (BL24), Jiaji (EX-B2)（L3-L5）, Ciliao (BL32), Zhibian (BL54), Huantiao (GB30), and Ashi points Subsidiary points: Taiyang meridians: Yinmen (BL37), Weizhong (BL40) Shaoyang meridians: Yanglingquan (GB34), Yangjiao (GB35), Juegu (GB39) (2) Electro-Acupuncture     Dense waves or sparse and dense waves are adopted with medium to strong stimulations. 【Remarks】 It is most effective for sciatica.  Treat the primary disease if sciatica is caused by tumors or tuberculosis.  Traction or massage is combined when it is caused by protrusion of lumbar intervertebral disc.