This study aims to explore the spread phenomenon of the popular subject three dance on both sides of the Taiwan Strait, and to explore the subcultural performance of the subject three dance from the perspectives of collage, subversion and incorporation. The basic spread of the subject three dance on Douyin platform is discussed by means of text analysis, and the reasons for the popularity of the short video of the subject three dance are considered from three perspectives: social and cultural factors, production and spread under the media empowerment, and psychological drive under the personal perspective. Under the carnival of the subject three dance, the paper also reflects on the practical problems it brings, and faces the current development status of the subculture.