Morphology itself is a kind of symbol,and morphological semantics is a branch of semiotics,so it has the characteristics of semiotics,and can convey information and express thoughts and emotions.This paper starts from the study of product morphology semantics and interface design,summarizes the application of product morphology semantics in interface design,analyzes the general elements and design principles of interface design,and elaborates the guiding significance of morphology semantics for interface design