As the application of geographic information map in folklore,the intangible cultural heritage resource map is characterized by its visualization.This paper applies the intangible cultural heritage resource map to the study on Sanguan(the three divine officials)myth since the Yuan,Ming and Qing Dynasties,which helps to visualize the changes of Sanguan myth.During the Yuan and Ming Dynasties,with the continuing development of salt industry and the rise of cotton industry in Shanghai,the records of Sanguan myth mainly focused on the origin.In the Qing Dynasty,cotton industry flourished in Shanghai,the records of Sanguan myth stressed how efficacious the three divine officials can facilitate mortal affairs.In the Republic of China,ceaseless wars and the invasion of foreign capital and technology imposed industrialization to Shanghai’s cotton economy,the records of Sanguan myth were mainly about diseases curing.At present,with the development of reform and opening up,the emphasis of Sanguan myth go back to the origin.The changes of Sanguan myth result from both economic development and the promotion of businessmen in different lines.The study based on myth changes from the perspective of the intangible cultural heritage resource map helps people to understand the relationship between myth and economy in a more intuitive way.