Based on the huge user base of the internet and the multi-domain symbiosis of cultural industry，IP depth operation has gradually become the development trend of cultural industries. Other industries also come to obtain IP value more and more，which led to the corresponding intellectual property management and a series of business management challenges. On the basis of ecological status analysis of extensive-entertainment industry，this article explores and analyzes intellectual property management，enterprise management，etc. in the IP value mining process，and proposessome management recommendations.