Liugong Island is located at the mouth of Weihai Bay, the eastern tip of the Shandong Peninsula in eastern China. The island area is 3.15 square kilometers and the shoreline of the island is14.95 kilometers long. It is a natural barrier in Weihai City, and has an extremely important position in national defense. It is known as "Dongguan Pingxuan" and "unsinkable warship". Many maritime wars occurred here before the liberation of the Ming and Qing Dynasties, especially the Jiawu War left a deep historical imprint, it is worth a visit