Abstract: With the accelerated advancement of information industrialization， big data technology， as a cutting-edge tool and data-driven support， has been deeply integrated into the market-oriented marketing of films， spanning all stages such as planning， production， and distribution. In the context of Chinese and Korean film series， the success of Lee Sun-Chen and Wolf Warrior series highlights the pivotal role of big data technology， providing comprehensive and in-depth data support and decision-making references for producers. Film marketing strategies have transcended traditional advertising campaigns to emphasize interactive engagement with audiences. By leveraging big data analytics to understand audience preferences and needs， marketing has become more targeted and precise. Big data has emerged as a crucial support system and driving force in film marketing， presenting unprecedented opportunities and challenges for the film industry.