原发性肱骨外上髁炎是由肱骨外上髁肌群的无菌性炎症病变，导致沿肘外侧伸肌群尤其是外上髁的传导性疼痛。 但因冈下三肌或前斜角肌劳损疼痛持久不愈，并在外上髁附着处继发无菌性炎症病变，引起继发性肱骨外上髁软组织劳损的临床病例也非常多见。 此病严重影响患者工作和生活，现代医学治疗一般为药物镇痛或局部封闭注射治疗，但不能根治，故极易复发。 临床中运用新九针中的锋钩针松解周围粘连组织，火针速刺以温通经脉，对于原发及继发肱骨外上髁炎的疗效确切，能止痛和根治病所，恢复肘关节活动功能，且无不良反应。

Primary lateral humeral epicondylitis is aseptic inflammation by the external muscle of the humerus，causing conductive pain along the relative muscle especially at the lateral humeral epicondyle.But that because of muscular strain lasting pain below the mesoscapula or anterior scalene muscle usually has not been treated well，these syndromes are very common in clinical，and are defined as secondary soft tissue injury of lateral humeral epicondyle.The disease seriously affects the daily life and work in patients.The modern medical treatment for lateral humeral epicondylitis contains drug analgesia and local block therapy，which is only the symptomatic treatment not the permanent cure，and easy to relapse.Acupuncture of new-nine-needle has effect on primary and secondary lateral epicondylitis exactly by releasing lesion tissues using crochet needle therapy and warming and by energizing meridians using fire-needle therapy.Acupuncture of new-nine-needle can relieve pain and cure disease，restore joint motion of elbow，and have no adverse effects.