Food stamps are historical products under special economic conditions, with a wide range of topics, exquisite printing, timeliness and regionality. After years of erosion, this kind of unrepeatable ticket cultural relics are becoming more and more scarce, and treasures emerge one after another, which has already attracted the attention of collectors at home and abroad. In addition, some public food stamps issued during the Liberation War are historical testimony of the revolutionary army's bloody struggle with the support of the people during the Liberation War, which has important commemorative significance and collection value. 1989, food stamps cancelled. 1993, the traces of the alternation between the old and the new era are particularly obvious. In February of that year, the National People's Congress was held, and delegates no longer had to pay food stamps for their first meal. On May 10, the Beijing Municipal Government officially announced that from this day on, food stamps would be cancelled. Farewell to food stamps began at 1 April, 9921,65438. At that time, the state raised the ordering price and selling price of grain at the same time, basically achieving the same price for purchase and sale. On this basis, all localities began to gradually liberalize food prices and cancel food stamps. 1955 food stamps finally completed their historical mission and quietly withdrew from the historical stage.