Shantou, a third-tier city, is a prefecture-level city under the jurisdiction of Guangdong Province. It is the China Special Economic Zone, an important gateway to the Maritime Silk Road, a central city in eastern Guangdong and an important port city in the southeast coast. Hanjiang River, Rongjiang River and Lianjiang River flow into the sea, which is the only city in Chinese mainland with an inner bay. Shantou is a sub-central city in the province, one of the four cities in Chaoshan, a core city in Shantou-Chaoshan metropolitan area, an open coastal port city, a famous hometown of overseas Chinese in China, an excellent tourist city in China, a top 100 city with investment environment in China, a brand economy city in China, a national intellectual property work demonstration city, a national e-commerce demonstration city, a national information consumption pilot city, a national double-support model city, a China stationery production base and a national transportation hub city. In the classification of cities, Shantou ranks 55th in the national city rankings and third-tier cities. Compared with other cities in Guangdong Province, Shantou has a low level of development.