Hou Youyi's father is Hou Xibin and his mother is Xiulian from Lv Hou. My father was a soldier of the National Revolutionary Army and was called up to participate in the second civil war between the Kuomintang and the Communist Party. After retirement, he became a pork vendor. Hou Youyi ranks third among the four brothers and sisters in the family. Hou Mingfeng, the second brother, is a well-known doctor and has the reputation of "the first person in breast cancer surgery in South Taiwan Province Province". He used to be the dean of Xiaogang Hospital.