This paper elaborates the disseminative function of visual communication in three aspects of recognition, transmission and expression. The first is that it explores the recognition effect of visual information from the perspective of the demand of material function, brand connotation and commercial value, the personality and style of design; The second is that it analyzes the achievement of information transmission from culture and affectivity, and the third is that the dialectical relationship between visual expression and information transmission is elucidated from the effective communication of information, visual design in stages and other contents.