Objective: To evaluate the clinical quality of root canal therapy (RCT) in Kiang Wu Hospital. Methods: 1153 RCT cases from January 2014 to December 2014 in Kiang Wu Hospital were randomly selected. Root canal filling quality and treatment period were evaluated. Results: The ratios of adequate filling, underfilling and overfilling were 93.41%, 3.47% and 3.12% respectively. Average RCT treatment period was 4.8 weeks. Conclusion: Clinical RCT level of Kiang Wu Hospital was satisfactory in 2014, but the RCT procedures need to be shortened in the future.