The role of the short essay Mirror is to convey some life philosophy and values to the readers by describing the role of mirrors in life. In this article, the mirror was described as "a tool to reflect oneself and others", which could help people "see" their own strengths and weaknesses and better understand themselves. At the same time, mirrors could also help people "see" the strengths and weaknesses of others, so as to better understand others and build better interpersonal relationships. The article also mentioned that the mirror had both good and bad sides. For example, people could use mirrors to find their shortcomings and improve themselves. But people also needed to pay attention to the other side of the mirror, the reflection of the mirror. If people focused too much on their shortcomings, they would ignore their strengths and lose self-awareness. The short essay Mirror conveyed many life philosophy and values such as self-awareness, interpersonal relationships and careful thinking to the readers by describing the function and two sides of the mirror.