Characteristic finding on Clinical and MRI of Lumbar Disc Herniation is necessary for early diagnosis and surgical management. Material and Method: Prespective study of 144 patients who had been microdiscectomy at the UMC of HCMC Results: The characteristic finding on clinical and MRI includes: the most of patient has low back pain and leg pain (80.6%) with reflex change (50%), muscles atrophy (9%) and sphincter disturbance (0.7).