"Emotion" is a key to exploring the relationship between contemporary popular music and youths. In reality, youths exercise the identity construction centering on self-identity by the unconscious use of ritualization towards popular music (cultures). The article analyzes the conversion in identity construction of youths in the course of popular music appreciation in the new era, and summarizes the identity construction of "private-individual", "public-individual", "self-division" and "reflexive". The study on varieties of identity types strengthens our belief that "emotion-identity" is a down-to-earth approach to research Chinese youth group of popular music appreciators.