As the main carrier of movie promotion,movie posters play a role in conveying the theme and plot of the movie.In the new media era,digital technology is developing rapidly,and mobile devices are gradually replacing traditional paper media and television devices.The art of movie posters conforms to the transformation of new media,presenting more diverse and innovative forms of expression,and beginning a dynamic exploration.The combination of visual and auditory elements in dynamic movie posters can quickly capture the audience's emotional memory and image perception,promoting the shaping of movie IPs.This paper analyzes the market status and design thinking of dynamic movie posters,explores the design strategies of dynamic movie posters in the new media era,in order to provide new ideas for the promotion and marketing of the movie industry.