Abstract:With the construction of smart city community and community management innovation, Science Technology for People’s Livelihood to serve the urban community construction is becoming a bright spot in the urban community construction and the development of Science Technology for People’s Livelihood. This paper is based on the function of Science technology for People"s Livelihood to construction of urban community in aspects of community safety, energy saving and environmental protection, health and sanitation, convenience of living, learning and communication, put forward the main contribution performance factors of Science technology for People"s Livelihood in the construction of urban community, establish the contribution performance evaluation system of Science technology for People"s Livelihood in the urban community, and adopt the analysis method of D-S evidence theory,through the calculation examples to evaluate contribution performance of Science technology for People"s Livelihood in the urban community, provid support for the contribution performance evaluation of Science technology for People"s Livelihood in the urban community.