In order to determine the effect of globalization on agricultural economy of Iran, exporting supply, domestic supply and domestic demand functions of Cumminum cyminum was studied during 1981-1999. The results revealed that globalization trend had positive effect on domestic supply and increased domestic production of Cumminum cyminum. However it had negative effect on domestic demand and decreased domestic consumption of the crop. Globalization index had also positive effect on exporting supply of Cumminum cyminum and indicated that it was responsible in increasing of the mentioned crop export.