Photography and art aesthetics is an important branch. Based on photography and aesthetics, it is a new discipline to study beauty and aesthetics in photography. Photography is an important achievement of modern science and technology. 1839, 19 In August, Dahlgay, a Frenchman, announced his "silver photography", which has been invented for a century and a half. Early photography was not an art, but a practical technology to fix and preserve the images of objective things with scientific and technological achievements. With the development of science and technology, small and accurate cameras were made, fast photosensitive materials appeared, photography found its own unique artistic language, and finally developed into an independent art in the 1930s. When photography comes into people's lives, that is, it has a realistic aesthetic relationship with human beings, and photography aesthetics comes into being. In the world photography history, Emerson is recognized as the founder of photography aesthetics. The basic task of photography aesthetics is to study how to create photography art according to the law of beauty and the relationship and interaction between creative subject, object, ontology and receiver. The specific contents include: the aesthetic essence and characteristics of photography; The relationship between photography art and real life and its image intake process; The relationship between photography art and painting art; The principle of formal beauty in photography; The development of photography and the evolution of its concept, genre and style; The creative law of photography art and its proper aesthetic character: the aesthetic value and social function of photography; Psychological mechanism, process, characteristics, significance and methods of appreciating photography.