After retrocession, Chang Chi-lang was first elected as a representative for Hualien County, then to the National Assembly for Taiwan Province. Determined to sacrifice all his energy to the motherland of his dreams, he never had the slightest idea that the extraordinary environment of the time would later create the greatest of sorrows for his family.
台灣光復後，張七郎先後當選花蓮縣參議員、台灣省制憲國大代表等公職，矢志貢獻心力，報效自幼夢裡的祖國；只是他萬萬想不到不正常大環境後來竟造成張家最大的遺憾。