[Purpose] To investigate the results of early diagnosis and early treatment of colorectal cancer in Haining city. [Methods] According to Cancer Early Diagnosis and Early Treatment Project,40 ~74 years old target population with a history of risk factors for quantitative assessment questionnaire and two times of fecal occult blood test(FOBT) were screened. On this basis,the high-risk person with colorectal cancer underwent with electronic colonoscopy for further fine sieve to detect intestinal diseases and t...