dongshanxianIntroduction：Dongshan Introduction: Dongshan County is located on the southern coast of Fujian Province and on the west bank of the Taiwan Strait. The geographical coordinates are 23°33′-23°47′ north latitude and 117°17′-117°35′ east longitude. It is the sixth largest county in the country and the second largest county in the province, with a total area of ​​248.34 square kilometers. Dongshan Island consists of the main island and 67 small islands around it. It is shaped like a seven-star arch, and is shaped like a butterfly. As of 2013, the main island covers an area of ​​220.18 square kilometers, with a state-level economic and technological development zone, a tourism economic development zone, seven town-level people's governments, 61 administrative villages and 16 neighborhood committees with a total population of 217,700. It has won the title of “National Sustainable Development Experimental Zone”, “National Ecological Demonstration County”, “Excellent Tourism County”, “National Double Support Model County”, “National Science and Technology Work Advanced County” and “Provincial Health County”. [1-2]