China and ASEAN are two big markets that are the nearest geographically in the world with South China and Indo-China Peninsular serving as a bridge between them.Living up to the role of the bridge,it is important that we would build Economic corridor from Bangkok to Nanning to link up South China and Indo-China Peninsular with the most convenient alignˉment,the most economical investment,the shortest traveling time,and the most benefit.As long as this project is carried out properly,it will promote greatly exchanges and cooperation between China and ASEAN,and boost economic and social developˉment of the both regions.