Literary theory and literary criticism are always interlocked.The construction of literary theory may start with literary criticism by combining literary theory with literary criticism,thus elucidating the theory from the concrete criticism.Specifically,we must first make clear the link between literary theory and literary criticism,and then the inherent requirements of literary criticism,on the basis of which,we can search for the common points between literary theory and literary criticism,and from these common points,we can start to construct literary theory through literary criticism.