保障措施是WTO框架下与反倾销、反补贴并列的贸易救济手段,已成为成员方开放条件下市场准入扩大过程中实施的经济安全阀。本文拟从探寻保障措施产生的制度根源出发,考察其在多边贸易体制框架中的变迁轨迹,分析在GATT期间和WTO成立以来的实施特点,并对保障措施制度的历史演进尝试了一种新经济史学的解释。 Safeguard measures are trade remedies that are tied with anti-dumping and countervailing duties under the framework of WTO and have become the economic safety valves that are implemented in the process of market access expansion under the condition of opening up of member countries. This paper intends to explore the origin of the system of safeguard measures, examine its changes in the framework of the MTS framework, analyze the implementation characteristics during the GATT and the WTO since its establishment, and try a new economy to the historical evolution of the safeguard measures system History of the explanation.