In the digital era, social production gets its own innovation. Cyber society has been come up with a new change in the economic structure. As one of the emerging industry, Intellectual Property economy mainly focuses on quality content, producing diverse content and products to enalbe multi-channel, multi-platform distribution. Then accumulate into the brand industry continuously, and finally realize the organic integration of content and click rates, contribute to the cash realization of the value of the IP brand. Take the example of Miss Fantasy, which is the KOL in fashion communication field in China to analyze. This article is trying to analyze the path of personal IP to brand matrix and realize the multiple derivative applications and cash realization of IP from the case, which provides certain inspiration for the entrepreneurial mode in the digital era.