Purpose: To evaluate the result of ureter stone treatment by laser lithotripsy. Materials and Method: A total of 141 ureter stone patient underwented laser Iythotripsy from Jannuary 2012 to Jannuary 2013 at Viet-Tiep Hospital, Hai Phong. Results: the mean duration of the procedure is 25,3 minute. The mean post-op hospital is 3,15 days. The stone-free rate 93 percent, combination with ESWL in 4 cases. 4 cases must be treated by open- operation. Conclusion: The initial result of laser lithotripsy for ureter stone has hight result.