[1] Born into a Catholic family, Han began his junior seminary in Jinan, Shandong in the 1930s.
In 1944, he became a Franciscan and was sent to the seminary of Hankou in Hebei for his theological studies.
Han returned to Jinan and was appointed rector of a junior seminary.
After his release, he began serving among the Catholics of Qingdao, and became parish priest of St. Michael's Cathedral when it reopened in 1981.
Bishop Han was invited to a visit to Fu Jen Catholic University in Taiwan by Archbishop Stanislaus Lo Kuang, then president of Fu Jen Catholic University, on the occasion of the university's 60th anniversary in December 1989.