Peenai, the Thai wind instrument which has been popular since the Sukhothai period. The objective of this research are to study the historical backgrond and its value of Peenai, and to collect informations of how the Peenai is made. And to study the quality of the instrument. The methodology of the study is qualitative approach. The results: the traditional method techniques of how to make Peenai depend on, the high quality of work. Suwan Sasananant, one of the best Peenai maker, production most of exceptable Peenai for the society especially on the pitch level and the shape of the instrument.
