Rongcheng City, Weihai City, Shandong Province, a county-level city under the jurisdiction of Shandong Province, is managed by Weihai City [1]. Chinese mainland is located at the easternmost tip of Shandong Peninsula, surrounded by the sea on three sides and with a coastline of 500 kilometers, which is the closest place to South Korea. It is located between east longitude 122 08'- 122 42' and north latitude 36 45'-37 27', bordering on the Yellow Sea in the north, east and south, with a curved coastline of 49 1.9 km; It has jurisdiction over 3 districts, 12 towns and 10 streets, with an area of 1526 square kilometers [2]. According to the data of the seventh census, as of 0: 00 1 1 on June 2020, the permanent population of Rongcheng was 7 142 1 1. [1 12] As early as the Neolithic Age, Rongcheng was inhabited by human beings. The Western Han Dynasty began to set up a sleepless county, which belonged to Donglai County. According to historical records, Qin Shihuang came to build a bridge and set up a shrine to watch the sea and worship the sun twice, and Emperor Wu of the Han Dynasty also came to worship the sun. By the end of 20 16, there were three 4A scenic spots, three 3A scenic spots 1 1 and two 2A scenic spots 1. From 2065438 to June 2008, Rongcheng was selected as the first batch of demonstration cities for the construction of social credit system. [3] In 2020, Rongcheng achieved a regional GDP of 94.32 billion yuan, a year-on-year increase of 2.0%. [116] On May 9, 2022, Rongcheng was named as a national sports industry demonstration base. [146] On September 5th, the list of the first batch of innovative counties (cities) in China was released, and Rongcheng was among them.