Singapore as a small city-country was ranked 36th in the worlds GDP with a GDP of USD396.99 billion, therefore, Studying the tourism development of Singapore is of great reference significance for its future development. This essay uses literature research methodology to analyze the SWOT of Singapore's tourist industry and to evaluate its status quo for future development. The tourism industry in Singapore has a decisive role in generating profit for economic growth. Research on Singapores tourism industry can assist future development planning. Based on SWOT analysis, Singapores tourism industry benefits from the improvement of tourism infrastructure and political stability, besides that, there is a new chance for the mitigation of the global public health security affair. However, the development of the tourism industry is also limited by its low tourism carrying capacity. Additionally, Singapores tourism industry also faces the threat from the surrounding same type of tourism cities. Therefore, Singapore can promote the tourism industry by adhering to sustainable development, building a convention tourism city and developing cultural tourism these three aspects.