Measures of Data Cross-border Transfer Security Assessment establishes the mechanism of crossborder data management with security assessment as its main method, being China’s latest standards on crossborder data governance. Meanwhile, the emergence of DEPA has offered China brand new theory and approach to deepen the involvement in global data market. After China’s accession to DEPA, the Measures will have significant influence on the degree of freedom and fluency of digital trade between China and other DEPA contracting parties. With interpretation of digital trade rules of the Measures and DEPA, this paper advocates to investigating specifi c differences in terms of philosophy and mechanism, exploring approach for effective coherence of cross-border data regulations within the Measures and DEPA. It is benefi cial to straighten out the prospect of development of China’s cross-border data regulation and adhere to China’s philosophy of balancing data security and data free-fl ow in foreign digital trade, contributing to exploit the Chinese road in the fi eld of international data trade governance.