Benign prostatic hyperplasia (BPH) is an enlarged prostate gland caused by progressive hyperplasia of glandular cells or stoma cells from prostate tissues. BPH is a common problem that increases in people from 40 years old. The symptom is lower urinary tract symptoms (LUTS) that consist of the followings: Strenuous urination, frequent urination, urinary hesitancy and retention. This study aims to know the characteristic of BPH patients in RSU Haji Medan from January to December 2015. Research design of this study is descriptive studies. The population of the study consists of patients who were diagnosed with BPH in RSU Haji Medan from January to December 2015. Total sampling method was used. Research data were retrieved by taking the patientsrsquo; entire medical record with BPH in RSU... Haji Medan from January to December 2015. 84 persons were diagnosed with BPH. The highest age group of the population is 60 to 70 years (34 people (40.5%). The most common complaint of the patients with BPH is the inability to urinate (42 people (50.0%). Common volume size of prostate is 40 to 60 g (people (38.1%). The most common therapy is transurethral resection of the prostate (TURP) (people (76.2%). The highest co morbidity is hypertension (20 people (23.8%). The patients that had BPH most in RSU Haji Medan were 60 to 70 years old; the chief complaint is not being able to urinate; common size of prostate volume is 40 to 60 g; the most common therapy that is used is TURP, and the highest co morbidity is hypertension.