With the continuous growth of artificial intelligence (AI) technology, AI has been widely used in various fields. In the field of digital art, the application of AI has gradually become a trend, which brings more possibilities and innovations to the creation, expression and dissemination of digital art. Digital artistic creation has gradually become more intelligent, autonomous and diversified. Nowadays, AI has become an important tool for digital art creation. It can not only simulate the creative process of artists, but also produce unique and unprecedented works of art. Firstly, this paper introduces the connotation and characteristics of AI and digital art, and expounds the relationship between digital art and AI. Secondly, the application status and existing problems of AI in digital art are analyzed from the aspects of digital art creation, appraisal and evaluation, market transaction and audience promotion. Finally, some ideas and suggestions for the growth of digital art combined with AI are put forward, so as to provide reference for the future growth of digital art.