Abstract:Taking the measurement of social capital of urban and rural dwellers in a survey in China's western region,the paper illustrated in details how to measure a complex social concept in empirical social studies.As the concept of social capital consist of both macro and micro levels,different measuring indicators should be used according to the level of conception.In our survey,micro social capital is measured by the "festival network" generated by "position generator",while the macro social capital is measured by the levels of trust and participation of the dwellers.