Always tearful? Among these tasted hypocritical literature, there are many golden sentences that are still very popular in 2019. Most of them are from the past youth pain literature, representative quotations such as: "We are all bright and sad children. " People make good use of these words to express those deep but beautiful sad emotions. To this day, the meaning behind this golden sentence has also experienced a change from pure, petty bourgeois sentiment to deliberate teasing. Poets often say, "I am not the me of the past." This sentence can be used to describe the sms marketing service psychology of people looking back on the past. Today, we feel that the youth pain literature that we loved in the past is hypocritical and sour, because the identity construction and the surrounding environment have undergone great changes. Identity construction theory holds that human beings are social animals, and our self-identity construction and identity originate from the cultural environment of the society. Whether the displayed characteristics can be accepted and protected by the surrounding group culture is very important . In the 1900s,