Sun was born into a Taiwanese opera family, although her father in fact hailed from Hebei Province in northern China. Her parents knew the hardships of theater life, and, being well aware of the bleak prospects for traditional opera, made sure to keep their children off the stage.
雖然是祖籍河北的北方大妞，她卻生於歌仔戲班，然而父母親從自身的經驗，感知傳統戲曲的道路不僅辛苦且前途茫茫，從小又故意帶孩子們遠離戲臺。