There were analyzed the results of observation in 642 patients with hernia of low-lumbar vertebral column, who were examined and operated on using microdiscectomy in the Department of endoscopic and laser spinal neurosurgery of Institute of Neurosurgery of Academy of Medical Sciences of Ukraine. There were delineated the indications for the methods of treatment, their efficacy was estimated, the immediate and late follow-up results of treatment were studied up. In one year after the medial hernia correction the persistent elimination of radicular compression syndrome was achieved in 86.5% of observations, after paramedian one--in 88.7% and postero-lateral--in 95.7%.