Objective: To observe the application of discography for the diagnosis of discogenic low back pain. Methods: Diagnostic procedures were applied to 80 cases with clinical suspicion of discogenic low back pain. Results: 69 cases were diagnosed as discogenic low back pain, others were confirmed to be other different diseases. Appropriate treatments according to the diagnosis were applied. Conclusions: Discography is a reliable tool for the diagnosis of discogenic pain and could be a help in giving confirmatory diagnosis.