In the spring of 1975 he was ill with pneumonia. After treatment he showed signs of improvement. Unfortunately he suffered a sudden heart attack and passed away at 11: 50 P.M. on April 5, 1975. He was 89.
民國六十四年春季，蔣公肺炎復發，經診治後已有進展，可是到了四月五日，不幸發生突發性心藏病，急救無效，至午夜十一時五十分逝世，享年八十有九。