In recent years, while domestic dramas such as "The Legend of Zhen Huan" and "Langya Bang" have continued to go out, foreign films and film & television investment institutions have also been pouring into China's huge film and television market. Whether Chinese-funded film and television companies "go out" or "bring in" foreign film and television institutions, they all need to fully understand the special regulations and licensing systems for cross-border film and television by domestic and foreign film and television authorities. Cross-border film and television projects involve legal issues such as intellectual property protection and the development of derivatives, which are more complicated and cumbersome than films produced in China.