Abstract:In the Ming and Qing dynasties, Suzhou witnessed the emergence of a capitalist economy, the large-scale guild houses had theater buildings and stages, and most ancestral halls also had theater stages, which were used to reward gods for acting. Suzhou private or official families common also have a stage. These stages, firm and solid, elegant and delicate, the construction technique is superb, but also the scientific use of acoustic principle, can get "round the beam three days" sound effect.