Digital technology is also a powerful catalyst for the innovation and change of China's traditional national culture and art. In the "Internet +" research background conditions, the article attempts to Shanghai Shexian WangManTian fish lanterns as an example of its digital art development and creation and promotion of communication methods of comparative study, to promote the traditional art and cultural products of innovative digital technology development and application of cultural communication fusion provides a lot of new exploration of the practice of ideas and methods. Utilizing the new generation of digital technology, Internet means, through the comprehensive innovation and integration of fish culture and tourism with modern technology application, it greatly extends and expands the scope and ecological boundaries of the development of Chinese fish lanterns in a brand-new field. First of all, research on Wangmantian fish lanterns, and its digital development and dissemination of the current situation is analyzed; secondly, the use of "Internet +" concept and technology, combined with the advantages of the Internet platform, put forward Wangmantian fish lanterns digital development and dissemination strategy; finally, Wangmantian fish lanterns as an example, analyze the "Internet +" background of Shexian Wangmantian fish lanterns digital development and dissemination of the significance of the specific applications." Internet +" concept and technology for the digital development and dissemination of traditional culture provides new ideas. In this paper, we take Shexian Wangmantian fish lanterns as an example to explore the digital development and dissemination strategy of Shexian Wangmantian fish lanterns under the background of "Internet +".