Background and Objective: Urology is a branch of medicine that focuses on diseases of the urinary tract of men and women and the reproductive system in men. The first step of the diagnosis process in the health system is general practitioners, so it is necessary to evaluate the general practitioners’ knowledge level about the common urological disease to take the requisite training. Methods: In this cross-sectional study in 1399, an online questionnaire was prepared and distributed to value general practitioners’ knowledge about bladder cancer, circumcision, kidney cancer, prostate diseases, urinary tract infections, testicular diseases, and kidney and urinary tract stones. The data analyzed by SPSS software. Results: This study involved 165 general practitioners, of whom 75. 7% were medical graduates, and the rest were Interns. The level of knowledge of the subjects in the evaluated area including bladder cancer, circumcision, kidney cancer, prostate diseases, urinary tract infections, testicular diseases, and kidney and urinary tract stones; was equal to was 65. 87%, 65. 5%, 48. 25%, 55. 62%, 57%, 55. 62%, and 63. 43% respectively. Conclusion: In conclusion, the average knowledge of general practitioners about the common urological disease in the present study was 58. 75%, and this indicates the dominance of general practitioners in half of the common urological diseases.