Abstract: Objective To investigate the status of cognitive function of elderly residents in Shenghe Community, and to discuss its influencing factors. Methods Investigation of factors related to cognitive disorder, assessment of cognitive function, assessment of sleep disturbance and nutritional status were conducted with permanent residents aged over 60 years in Shenghe Community of Zhengzhou City. Descriptive epidemiological analysis method was used to analyze, and single and multiple factor analysis methods were used to analyze the factors affecting the occurrence of cognitive disorder in elderly residents. Results A total of 1 050 residents aged over 60 years in Shenghe Community of Zhengzhou City were surveyed. The survey subjects were 60-87 years old, and the ratio of male to female was 1.27∶1. The marital status was mainly married, accounting for 54.5%, and the education level was mainly technical secondary school or below, accounting for 62.4%. A total of 138 elderly residents with cognitive disorder, the incidence rate was 13.1%. Multivariate Logistic regression analysis showed that living alone （OR=1.726）, sleep disturbance （OR=1.937）, and more than 4 kinds of comorbidities （OR=1.946） were risk factors for cognitive disorder in residents aged over 60 years of Shenghe Community. Regular physical exercise （OR=0.599） and participation in social activities （OR=0.434） were its protective factors. Conclusion The incidence of cognitive disorder in the elderly in Shenghe Community is relatively high, living alone, sleep disturbance, and more than 4 kinds of comorbidities are independent risk factors. Community medical staff should pay attention to strengthen the early screening of cognitive function, identify as early as possible and develop personalized nursing intervention programs.

Key words: Elderly, Cognitive function, Influencing factor