- The objectives of this research were to study the structure of international trade. This includes Sanitary and Phytosanitary Measures and Technical Barriers to Trade in the export of cassava products in Thailand. First, estimate quantitative of the policy by Frequency Index. Second, the impact on the export of cassava products in Thailand to important trading partner countries by using gravity model in Panel Data with Two-Way Random Effect analysis method, collecting secondary data, an annual time series data from the years 2001 – 2017. The results of the study have shown that overall, Sanitary and Phytosanitary Measures and Technical Barriers to Trade would effect to decrease of cassava products by 4.06, 2.58 and 2.08 percent, respectively.