Whether the determination of the role is effective or not is ultimately determined by the society, but it is also inseparable from individual activities and efforts.CCosplay    The appearance, speech and behavior are more closely related to social performers. The former is the external representation of the character, and the latter is the reflection of the inner quality of the character.Wanda Maximoff Costume    The role performance can be divided into front and back stage. Pre-stage performance refers to people playing a certain role, and post-stage performance refers to preparatory activities before the official performance. It makes practical sense to distinguish between these two types of performances.