Though the time changes within the play, the stage design of the traditional Chinese theater helps set up a suite of safekeeping system.The stage of Beijing Opera is empty.

• 景物旧称砌末，在金元时代已派上用场，历经元杂剧、明传奇和昆剧的传承，京剧的影物趋向完备，建立一套很有效益的保管制度。