Chang's mother, Hsu Shih-hsien, was the first Taiwanese woman to earn a doctoral degree in medicine. At the age of 32, after she and husband Chang Chin-tung earned "twin degrees" at Japan's Kyushu Imperial University, she returned with her husband to Taiwan to practice medicine.
她的母親許世賢，是台灣第一位女性醫學博士，三十二歲和夫婿張進通雙雙獲得日本九州帝國大學醫學博士後，就一起回國懸壺濟世。