It has been understanding a long time ago that Thailand used to be called today " Suvarnabhumi" by Indians who came to trade. However, the problem is the question is always in the history “Where Thai came from? The North of China, Central of China or South of China, the islands of Malaysia and Indonesia or in Thailand at present area. These problems are doubt in the history of Thailand. And we are one of them.
In the study of history about the origin of Thailand. The report is the study of the evidence and concepts that are important in the study. In addition, data were collected and analyzed as reliability of the information.