Primary objective of this report is to Define and Discuss on Trade Barriers, here briefly discuss on Tariff and non tariff Trade barriers. Trade barriers elude fixed classifications, but may be broadly understood to be government laws, regulations, guidelines, or practices that either protect domestic goods and also services from foreign competitors, artificially stimulate exports regarding particular domestic goods in addition to services, or fail to provide adequate and effective security of intellectual property rights. This report briefly explain nine different categories of trade barriers.