Based on related theories of atmosphere, interaction and sense of self-worth, this paper constructs a theory mod- el and proposes hypotheses to investigate effect of atmosphere feeling, interaction and sense of self-worth on academic blog user behavior of sustainable knowledge sharing. The analysis results by the two-stage clustering method measuring model and structural model show that knowledge sharing atmosphere, knowledge sharing worth and interaction in knowledge shar- ing affect academic blog user behavior of sustainable knowledge sharing significantly, and influence of atmosphere feelin...