Cai Wancai married Yang Xunxiang and had four children, namely Cai Mingxing, Cai Mingmei and Cai Mingchun. The eldest son, Cai Chongxin, 1956 was born in Taipei on April 25th. He also graduated from the Law Department of Taiwan Province Provincial University, and later studied in the United States, where he obtained a master's degree in law from Georgetown University. Now he is the chairman of Fubon Product Insurance Company and Zhongxing Construction Company. The second son Cai Mingxing,1was born in Taipei on June 2, 957. He graduated from the Business Department of Taiwan Province Provincial University, and then studied in the United States, where he obtained a master's degree in business administration from new york University. Now he is the chairman of Fubon Life Insurance Company and the chairman and general manager of Fubon Comprehensive Securities Company. Cai Wancai's son-in-law, Xu Zheming, studied in the United States, majoring in industrial management, and later worked at Merrill Lynch. He is a professional management talent. He is currently the general manager of Fubon Securities Investment Consulting Company and Fubon Investment Trust Company.