By the Delphi method, this study calculated the frequency of full score and used the analysis method based on the AHP of Index Number Scale, establishing the evaluation criteria for the intangible cultural heritage micro-blogs. then it, using Arithmetic Average, calculated the Matrix and analyzed the relevant weights of all the indexes and screened out of 34 intangible cultural heritage micro-blogs to assess, showed online behaviors of the intangible cultural heritage micro-blogs originated from the offline activities, showing the characteristics of the online behaviors which were typically triggered by the offline ones; the spread of intangible cultural heritage micro-blogs was only limited among small groups who participated in the activities related to intangible heritages. Accordingly, the ways to disseminate intangible cultural heritage micro-blogs should be expanded through their intermediate, technological and data integration. That is how the synergetic management and service can be achieved in cross-class, cross-regional, cross-system and cross-sector ways.