Due to the emergence of serious human rights violations by the Cambodian government, the European Commission has decided to temporarily revoke Cambodia's current tariff preferences. It is undeniable that the EBA tariff preferential measures have promoted the rapid development of the Cambodian economy, but the EBA plan is not only an economic and trade method. It is tied to political conditions and contains the transmission of values such as human rights and democratic principles. With such a disparity between the two sides' forces, how the underdeveloped countries defend their democratic rights has become an urgent problem to be solved. In this regard, this article first gives a brief overview of Cambodia's political and economic background, briefly defines the EBA plan's conceptual content, and then further explains the evolution of the European Union's sanctions imposed on Cambodia. Finally, analyze the impact of these sanctions on Cambodia based on human rights issues. It is undeniable that the European Union's withdrawal of the EBA tariff preference program has a negative impact on Cambodia's economic development. Cambodia has not succumbed to the European Union but chose to safeguard national sovereignty. From a third-party perspective, sanctions can provide a certain degree of reference for improving human rights and labor rights in Cambodia, which is conducive to its positive development.