Objectives:With the improvement of living standards,people are more andmore requirement for beauty.Natural aesthetic standard,maxillary anterior teeth length,width is particularly important for the embodiment of oral aesthetics.The purpose of this study was to observe the population of Shandong province of maxillary teeth length,width and the ratio of length to width.This study obtained data to the local population of periodontaloperation,aesthetic repair and proportional measuring ruler has a certain reference value.