Dongxing Introduction: Dongxing, Guangxi Zhuang Autonomous Region contains county-level cities, bordering on the southwestern border of China, southwestern Guangxi, southeast of the Beibu Gulf, and southwest of Vietnam. In 1996, Dongxing became a county-level city. In 2012, the city administers 10 communities in 31 villages and 3 communities, with a land border of 39 kilometers, a coastline of 50 kilometers and a regional area of ​​590 square kilometers. The household registration is 148,000, and the temporary residence and flow are 150,000. Dongxing has the Beilun Estuary Mangrove Reserve, one of the three major mangrove demonstration reserves in the world. There are national 4A-level scenic spots such as Jingdao Scenic Area and Pingfeng Rainforest Park. There are Daqingguo No.1 boundary pillar, Sino-Vietnamese People’s Friendship Park, and the Republic of China. Tianwang, the former residence of Chen Jizhen and other historical and cultural landscapes. At the 2nd China Tourism Forum in 2008, Dongxing City was awarded the honorary title of “China's Best Eco-tourism City”. In 2012, it was rated as one of China's top ten pension destinations by the old website such as the “Old Age Daily”. On October 16, 2010, Dongxing City was awarded the title of “Hometown of Longevity in China” by the Chinese Society of Gerontology.