When there is a series of deaths or misfortunes, the local people will invite a puppet theater to come and expel evil spirits, or sha, and chase out whatever might be bringing bad luck.
當連續有人死於非命，地方人士以為是老大公、好兄弟等「壞東西」在作祟，要請傀儡戲來「出」煞，趕走不潔之物。