A sudden fire which broke out on April 5, 1975, Tomb Sweeping Day, and the day of President Chiang Kai-shek's death, destroyed all the antiques, classics, documents, materials and the tsung-ling-cheng's manuscripts of the Li-ism General Council.
正當理教在台灣的發展逐漸走上軌道、信徒人數日益增多時，一個災禍卻突然降臨。民國六十四年四月五日，清明節，理教總公所突然罹遭火災。