In the 21st century，the coastal area gradually evolved into the “world’s largest tourist destination”. It can be seen from the statistics that the development of coastal tourism in 2017 has played a pivotal role in China’s tourism and is a key factor in the development of China’s tourism industry. Unreasonable structure of tour products，prominent contradiction in the development，and natural environmental factors have obvious constraints on coastal tourism development. Drawing on the experience of foreign coastal tourism development，the article puts forward a series of suggestions to promote the sustainable development of coastal tourism.