Abstract：In recent years, the study on the under-stratum writing is becoming a hot topic in the literary criticism, there are a lot of meaningful studies on this because the marginal people are the main character who are created by writers and transfer between countries and cities.However, the previous researches focus on the suffering of narrative modes.This article mainly study on the specific texts from the perspective of identity.Then, it analyzes the paradox about those marginal people who come from countryside but can not accepted by cities or go into cities at the same time, they can not come back to countryside.The contemporary economy in China develops imbalancedly, which makes the urban and rural areas a unique community.The start and end of cities and countryside both are unreliable, which can resul in a group of rootless underlying people.

Keyword：the marginal people;cities;countries;identity;under-stratum;