By enlarging the puppets and the screen and by adding new scripts and movements, Chang has adapted shadow puppet plays to bigger theaters and attracted larger audiences, so that the plays have kept up in popularity with local Chinese and Peking opera.
加大皮偶、影窗、增豔色彩的硬體改革，加上新花招及劇本特出的不同演出，張德成使得皮影戲不但適合大場地演出，也吸引了更多觀眾，因此皮影戲便由外台戲走入戲院裡，並不輸給在戲院演出的歌仔戲、平劇等大戲。