In Midnight's Children,frequently seen are the words like"hole","segment","crack",and the damage and loss of bodily function such as amnesia,which is called a"phenomenon of fragmentation"in this paper.In terms of the phenomenon,the characters of three generations in Midnight's Children are analyzed.It is found that colonial culture exerts a long-lasting impact on its colonized people,under whose influence generations of colonized people find it hard to negotiate their dual cultural identities.This happened to India.Postcolonial Indians had fragmented identities.Furthermore,the phenomenon also reflects that India was a fragmented nation,whose nationals desired peace,unity,and prosperity.