Communication is the driving force for the development of literature and art, and the change of communication mode affects the development of literature and art. Mongolian folk songs are mainly broadcast through oral speeches, books, newspapers, radio and television. In the era when the Internet has become an important form of cultural exchange, Mongolian grassland folk songs are faced with opportunities and challenges brought about by Internet communication. This paper aims to study the formation and development of Mongolian grassland songs and their music from the perspective of big data. This paper analyzes the similarities and differences between Mongolian folk songs and Mongolian folk songs in terms of historical interpretation, artistic style and singing style, and tries to find out the differences between Mongolian traditional folk songs and modern Mongolian folk songs. This paper mainly expounds the relationship between Mongolian grassland folk songs and Internet communication, analyzes the current situation and strategies of Mongolian grassland folk songs' online communication, and analyzes the relationship between folk songs, such as the guidance of the government, the establishment of information database, the establishment of special websites and innovative communication channels. Experiments have proved that Internet communication is about 50 times faster than traditional communication channels, which can better promote the development and dissemination of Mongolian grassland songs.