In recent years，with the improvement of people's living standards，China's game industry and thefilm industry are is booming. Released by Blizzard Entertainment Games “Warcraft” IP movie “Warcraft” on June 8，2016，has achieved great success at the box officein the world，of which China's box office revenue reached 1 billion 460 million yuan，accounted for $412 million at the global box office more than half，is the most “Warcraft” movie overseas market contribution. As the highest grossing film in the history of the IP game adaptation of the film，the three main reasons for a detailed analysis of the factors of “world of Warcraft” box office success，respectively is the game itself with the grand background，professional film production company and lead to feelings. After that，it discusses the difficulties and future prospects of the game IP adaptation of the film.