Douglas Stuart considers"cruelty"as a key concept with methodological significance in his 2020 Booker Prize winning novel Shuggie Bain,which constructing a new approach in Glasgow urban writing in terms of plot,form and ethnic identity."Cruelty"is not only the portrait of the living conditions of the underclass under the wave of deindustrialization,but also an aesthetic stance in Stuart's Glasgow novel writing.By depicting the"cruel"reality faced by underclass women in their daily lives,Stuart conveys his understanding of contemporary Scottishness that is the individual's perception of cruelty.