Focusing on the purpose of services trade liberalization, this paper first analyzes tourism service trade under the GATS framework and the status of international tourism service trade in China, and introduces and analyzes the experience practices of countries or regions with high degree of tourism service trade liberalization according to the new practices of FTAs in promoting international tourism service trade. On this basis, in view of the new historical starting point of China's current implementation of FTA and FTA, it is proposed that China's tourism service trade should be further opening up, and China's tourism law and regulation system should be improved, in order to be able to promote the liberalization of tourism service trade.