In today's era,when mobile devices have become the main way of disseminating information,the APP startup page interface is mainly propagated through text elements.Font design can effectively convey the message expressed by the brand,and can guide the style and beautify the interface.Compared with traditional media advertising,the font design on the APP launch page interface has different design standards.Through the font design to convey the brand information,emphasize the advertising style,attract the attention of potential users,deepen the users'memory.The purpose of this study is to investigate the font innovation on the interface of the APP and analyze its impact on user experience and brand image.Innovative font design can enhance users'awareness and goodwill of the brand,thus enhancing the brand image.