The disclosure relates to a system and a method for disposing background music and sound effects based on image processing and semantic analysis. The method includes determining the environment and emotional attributes of a text semantics in a reading page by analyzing and processing an acquired reading page image, and selecting music and sound material to synthesize reading background music and sound effects according to the text semantics, so as to achieve sound enhancement in the reading environment. The system includes an image acquisition device for acquiring a reading image of a user, and a processing device having an operation unit for performing the method.