Prostate cancer is an important health concern for male population in China and deserves great attention. The onset of prostate cancer tended to be insidious and it developed slowly. The early diagnosis of prostate cancer may achieve satisfactory outcome. Currently, prostate cancer has low early detection rate and high mortality. Large scale epidemiological survey is necessary to screen out the specific risk factors of prostate cancer, including case-control study, randomized follow-up visit etc. We need a guideline for early diagnosis of prostate cancer suitable for Chinese population to improve the sensitivity and specificity of early diagnosis of prostate cancer in China.