In the post-modern context of"traditional"and"modern"coexistence,the design innovation of traditional ethnic graphics needs to take into account the dual attributes of nationality and times,in order to better continue the traditional context.Taking the diamond pattern of Guangxi Longlin Gebu Zhuang clothing as an example,this paper combs the historical evolution of diamond pattern and its application in ethnic minorities,The diamond-shaped decorative pattern in Longlin clothing is analyzed from three aspects:basic visual elements,composition features and color matching.Finally,from the perspective of narrative redesign,the paper discusses in detail the application strategy of lozenge pattern in thepost-modern context.