In present literature,there exists much controversy over the trade-poverty link;and the simple model provided by this paper also shows that the effect of foreign trade on poverty is ambiguous.Trade liberalization of China decreased the NPRs of some agricultural products,which cut down the welfare of their producers;but the expansion in foreign trade of agricultural products reduced rapidly rural poverty.The change in foreign-trade construction of agricultural products not only impacted the welfare level of different kinds of agricultural producers,but also made the farmers in coastal areas be the greatest gainers.This paper applies SURE with simultaneous-equations to assess the linkage of trade-poverty in China,and its result shows that the link of trade-poverty in China is characterized by inverted J-shape: before mid-1990s,trade liberalization worsened the rural poverty;and then it has been beneficial for reducing rural poverty.