Arthroscopic-assisted uni-portal spinal surgery (AUSS) is an emerging minimally invasive technique in spinal surgery. It integrates the wide-angle visual field of arthroscopy and the precise manipulation advantage of uni-portal biaxial endoscopy, and achieves precise decompression for lesions including lumbar disc herniation (sequestrated type included) and lumbar spinal stenosis via a single mini-incision. Compared with conventional open surgery and early minimally invasive techniques, AUSS effectively reduces intraoperative blood loss and paravertebral soft tissue injury, lowers postoperative recurrence risk, and shortens postoperative hospital stay and rehabilitation duration. Nevertheless, this procedure imposes stringent requirements on surgeons' anatomical recognition and endoscopic proficiency, accompanied by a relatively steep learning curve. This article systematically reviews the current clinical application and research advances of AUSS in diverse lumbar degenerative diseases, so as to provide reference for standardized clinical popularization of this technique.

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