Mexico announced that it had opened up its domestic oil market to foreign capital. This will contribute a lot to the stable supply of international crude oil market. ANBOUND think tank scholars believe that Mexico is actually going with the flow after it judged the global trend. Currently, the international geopolitical risks have intensified. Geopolitical conflicts, such as the chaos in Middle East and Ukraine Crisis, have great impacts on international crude oil market. To guarantee the security of energy, many countries started improving their own energy self-sufficiency ability. Opening up its domestic oil market will not only benefit Mexico's energy security, but will also significantly influence the pattern of global oil and gas market and make Mexico an important energy exporter.