As a kind of artistic form, playbill has developed continuously in its history over one century. During the first half of 20th century, the development of the bill design almost followed the track of that in 19th century.

• 海报作为一种艺术形式,在其长达一个多世纪的发展历史中,经历了不断的发展演变, 海报的设计到20世纪上半期,基本是沿着19世纪海报设计的路径发展。