Returning to Taiwan, the couple borrowed money and opened the Shun Tien Tang Hospital in Chiayi. He was chief administrator and handled internal medicine; she was in charge of gynecology and obstetrics.
兩人回台後，在嘉義貸款創辦了順天堂醫院，張進通任院長，主治內科；許世賢主治婦產科。