The first part is a wearable mask installation with a mirror on the back of the mask, which changes the way of viewing, facing others and at the same time reflecting on oneself, like a kind of self-projection in interpersonal interaction. The images of the masks are reproduced from the image of one's own face, consciously bringing oneself into the works as the protagonist who participates in the wearing of the masks.In reflecting this part of "self-vision" or "self-projection", the mirror plays a direct role in the visual effect, reflecting the emotional message conveyed by the wearer's own facial expression in the moment. To the outside world, the mask is more like a barrier, relatively objective and stable and kept at a distance, and in social relationships, it can be a self-protection or a polite gesture