Longji Township of Sihong County is at the confluence of Hongze Lake and Chengzi Lake, merged by the former typical fishery township, Chenghe Township and Longji Township, with convenient land and water transportation, a land area of 101 square kilometers, 150,000 acres of mudflat water surface, arable land area of 60,000 acres, and 45,000 acres of aquaculture water surface that has been developed. The town has 10 administrative villages, 2 neighborhood committees, 3 farms, 1 shipping company, 1 forest, with a population of 40,500 people.