During the war against Japan, Taiwanese Opera was prohibited on the mainland due to the fact that the land of its birth, Taiwan, was under Japanese colonial rule. Sai Yue-chin borrowed money left and right in order to flee to a rural inland area, where she performed on stage by night. The shows lasted until dawn, and the tough schedule brought on a serious gastric ailment for the frail Sai.
對日抗戰時，因歌仔戲來自日人殖民地的台灣，曾被稱為亡國調而一度禁唱，賽月金只好四處借貸，逃到內地農村演夜戲，由入夜演到天亮，體弱的賽月金因而罹患了嚴重的胃病。