Abstract: Objective: To clarify the features of colorectal carcinoma in patients over the age of 70 years.Methods: The clinical data of 62 patients(over 70 years of age) admitted from 2000 to 2002 were analyzed retrospectively.Results: Of the 62 cases,the incidence of Dukes C or D stage accounted for 62.9%(39/62),acute obstructing colorectal carcinoma 29.8%(18/62) and other system diseases 87.1%(54/62).Radical operation was performed in 51.6%(32/62) of the patients.Misdiagnosis and delayed diagnosis were common in old patient which would lead to poor prognosis.Conclusions: Early symptoms should be paid attention to Routine examinations such as blood test,stool test,rectal touch,colonoscopy and CT scan are recommended,as early detection and early treatment can improve the clinical outcome.