Thailand has rich sources for travelling: mysterious temples, beautiful islands, nice beaches, delicious foods, marvelous cultural, all those elements deeply attract people from all over the world. Each year, around 11 million visitors [2]go there. Actually, tourism in Thailand plays an important role in the Thai economic structure even in the whole society, and it has a profound effect on Thai economy. In this essay, I’m going to talk about some background of tourism in Thailand, and I will try to figure out how does tourism impact the economy of Thailand