Considering the fact that the community detection algorithm based on label propagation can detect overlapping community structures of complex networks, an overlapping community detection algorithm COPRAPC (community overlap propagation algorithm based on PageRank and clustering coefficient) was proposed. The algorithm used PageRank algorithm to rank the influence of nodes, which can stabilize the community finding results. The parameter of node clustering coefficient was a noderelated parameter, which can be used to modify the parameters of the algorithm and limit the maximum number of labels each node, so as to improve the quality of community mining. Experiments on artificial networks and real-world networks show that the algorithm can effectively detect overlapping communities, and the algorithm has acceptable time efficiency and algorithm complexity.