Based on economic development and resource of Countries of “the Belt and Road”, the paper divides OFDI into two types by clustering analysis which are Resource Acquisition OFDI and Market Acquisition OFDI, and uses the method of Grey Incidence Analysis to conduct an empirical research on location choice determinants of OFDI from China to Major Countries of “BR for market acquisition OFDI, the significant factors are market size, infrastructure, bilateral trade, and political corruption of host countries.