Thailand and Cambodia are good neighbors and have a long relationship since the past and is also a member in the ASEAN. But since the events of the dispute between Thai and Cambodia so situations get worse. Although relationship in various fields on the past seem good (example : Diplomatic relations had co-founded on December 19, 2493 so recognize each other's sovereignty and the country's. Are the independent state equality) or is the relationship of the economy. Thailand and Cambodia, where economic relations are multidimensional in both the wto, apec, asean, gms (great mekong sub-region), acmecs (ayeyawaddy-chao phraya-mekong economic cooperation strategy) and Bilateral. The relationship that I example Although in the past it seems to have performed well. However, in the present. Boundary demarcation line that lacks both accepted this clearly.