Shen discovered Longkiauw on one of his patrols. Noting its fine climate and strategic position, he petitioned the Court for permission to construct a regional administrative center to be known as Hengchun.
沈葆楨受命巡視，才發現「琅橋」四季如春，而且四面環山、地勢雄偉，可攻可守，經奏准築城設縣治，於是以「恆春」命名。