It is intended for our joint research to collect the documents indicating the relationship of Japanese fashion and pop culture after World War Ⅱ. The genre that I collected is divided into six, and, as for the "the postwar times", "theory", "administration" are documents to study the background of the relationship of Japanese fashion and pop culture and, as for the "pop-music" "visual culture" "animation /comics/video-game" are mutual documents to show with the fashion concerned. According to the collection document, firstly, the pop culture has a strong spread power to youth people. Secondly, the pop culture has power to operate the impression of fashion. Thirdly, the pop culture becomes the database of various styles..