Abstract: The present invention relates to a method for scoring individual network competitiveness and network effect by network analysis in an online social network, particularly, to embody a social network in an online way, to measure network competitiveness and network effect of each node in an online social network based on results of mutual evaluation for trust, integrity, solidarity, openness, importance, and intimacy among the 1st ties related nodes in a social network, and to give information value to nodes and ties of networks.