贸易壁垒是指西方国家为了限制和阻止外国商品进入所采取的各种限制措施。可分为两大类,一类是关税壁垒,另一类是非关税壁垒。关税壁垒是对进口商品征收高额关税,以提高其成本,削弱其竞争能力,保持本国商品在竞争上的优势,垄断国内市场。关税像高墙一样把国内市场保护起来,因而叫关税壁垒。其目 Trade barriers refer to the various restrictions imposed by Western countries in order to limit and prevent the entry of foreign goods. Can be divided into two categories, one is tariff barriers, and the other is non-tariff barriers. Tariff barriers impose high tariffs on imported goods in order to raise their costs, weaken their competitiveness, maintain the competitive advantage of their goods and monopolize the domestic market. Tariffs, like high walls, protect the domestic market and are therefore called tariff barriers. Its purpose