This article, from the perspective of social capital of the people’s political participation, made the following discoveries: first, the current political participation of citizens in our country is very few, but participation means presenting diversity with more individual rights than collective rights; second, participation in community, interpersonal trust and community public affairs concern can be regarded as social capital which has a positive effect on people’s political participation; third, cultivation of social groups enhanced interpersonal trust and the concern about community public affairs is the right approach through which people participate in politics.