Media technology’s evolution has changed the communication way of information. Online opinion leaders active in the cyberspace affect multiple user groups across multiple platforms. Effective analysis on opinion leaders’ migration behavior of online community is beneficial to public opinion guidance and community operations and management. Through the survey of 20 opinion leaders’ usage behavior of online community, semi-structured in-depth interviews and grounded theory, the factor model of opinion leaders’ migration amongonline communities isbuilt from the impact of migration attitudes, subjective norms and perceived migration control on the migration intentions, which includes12 major external variables such aspersonality traits, dependencies, preferences, etc. Opinion leaders’ online community migration is divided into 5 paths based on behavioral decision-making process. After trying out and migrating to the new online community, the main paths are Path ②: opinion leaders migrate to the new communityand the old oneisout of use and Path③: opinion leaders maintain synchronous operation of old and new online communities.