With the changing of international industrial division patterns，regional production network that based on Intra-product Specialization has been generated and developed quickly. ASEAN countries become the important node in the production network ofEast Asia. From the perspective of trade structure and trade growth，the intermediate product trade between ASEAN and East Asian economies is expanding rapidly，and the intermediate products become the main trade goods. In the regional production network division of East Asia，ASEAN is still at the lower end of the value chain.