To screen suitable coating materials and provide reference for field cultivation of Bupleurum chinense DC.,we studied the effects of different coating treatments on seedling growth during seed germinationperiod.In this experiment,Bupleurum chinense DC.seedling were used as materials,different coatingtreatments were conducted in seed germination period,which were mats coating,black film coating,white filmcoating,shading net,and no film was taken as CK;then the covers were removed after seed germination,andth...