This research is aimed to understand the strategy of the Cambodian government in ending the Preah Vihear temple dispute with Thailand in 2011. Preah Vihear is a monument founded in 11th century by the old dynasty ruling the region. The temple became a disputed monument when both Thailand and Cambodia claimed to be the legacy of the old kingdom and both claimed to be legitimate ownership of Preah Vihear. Data are collected using library research method. Using a qualitative research method, it is found that the strategy used by Cambodian government is by using multilateral diplomacy through ASEAN as the regional organization and ICJ in the international scope.