This article examines the changes in Philippine’s policy toward China and how it can affect ASEAN. It also discusses the domestic development that accounted for the change in the
Philippines’ policy toward China and how it affected its behavior within ASEAN. This article raises this central question: how will the changes in Philippine foreign policy toward China affect ASEAN? It also addresses these questions: 1) What domestic factors led to the change in Philippine foreign policy toward China? And 2) What are the critical changes in Philippine foreign policy under the Marcos Administration?