Currently,under the fierce global conpetition,micro-blog wins increasingly more attention for its simplicity and convinience and on which real-time communication is realized.Based on the current situation,this eaasy demonstrates the analysis on the following three aspects,understanding of micro-blog,development trend of micro-blog and ad development trend in micro-blog. Currently,under the fierce global conpetition,micro-blog wins increasingly more attention for its simplicity and convinience and on which real-time communication is realized.Based on the current situation,this eaasy demonstrates the analysis on the following three aspects,understanding of micro-blog,development trend of micro-blog and ad development trend in micro-blog.