He also was of a naturally gregarious character, as is evident from his opening two restaurants when he was practicing medicine in the bustling Tataocheng area of Taipei, and he was not snobbish, accepting people regardless of their social status.
在熙來攘往的大稻埕行醫期間，開設春風得意餐館、兼營甘泉老紅酒，除了展現蔣渭水靈活的商業細胞，更可凸顯他喜好廣結人脈的性格。