1993 cancel food stamps. According to the inquiry method, from April 1993 to April 1 day, according to the spirit of the State Council's Notice on Accelerating the Reform of Grain Circulation System, food stamps and oil stamps were cancelled, and the supply of grain and oil commodities was released. Food stamp is a kind of food purchase voucher issued by China in the specific economic period from 1950s to 1990s. People must rely on food stamps to buy food or its finished products, such as rice, wheat, cakes, cakes and noodles. As a practical securities, food stamps have been used in China for more than 40 years. With the development of society, they have withdrawn from the historical stage and become the new favorites of collectors. Tickets, represented by food stamps, bear witness to the shortage of commodities caused by the long-term implementation of planned economy in China. Only in the era of commodity shortage will the state carry out macro-control and unified adjustment of grain to ensure people's normal living needs.