By the WTO(World Trade Organization) Safeguard Rules, turn it into three stage dynamic games model,and compare and discuss mainly the difference of safeguard against one country and two countries at the same time.In the objection of industry interests maximization and social welfare maximization,the paper discuss the influence of safeguard to complaint country and target countries,and the request of WTO safeguard regular and the effect of anti-retaliate instead, if safeguard be to implemented abuse,and be v...