Abstract: Objective: To analyze the causes of hostpital readmission in patients underwent prostatectomy.Methods: The clinical data of 13 patients who were rehospitalized after operation of prostatectomy were analyzed retrospectively.Results: Dysuria was found in 9 cases,of which 5 were bladder neck restriction,3 were posterior urethal stricture,and 1 was remained glands.One case had stones in the bladder and 3 cases had epididymitis.Conclusions: Posterior urethal stricture,bladder neck restriction and epididymitis are the main causes of readmission in patients who have received prostatectomy.