我们为什么要回首往事、回忆过去、回到历史呢?因为所有的历史都是当代史,都指向当下现实。历史对我们今天的生活、社会发展都有认知、借鉴、警示、启迪价值。正所谓知往鉴今知未来,前事不忘后事之师。民以食为天。国无农不稳,民无粮心慌。粮食关乎国计民生,关乎国家安全。在计划经济年代,城市里实行粮食配给制,粮票、粮本、粮油关系是那一代人共同的抹不去的记忆。丢失粮本简直就是丢了命根子。刘恒的小说《狗日的粮食》讲述的就是这样一个关于粮食 Why should we look back, recall the past, back to history? Because all history is contemporary history, point to the present reality. History has our cognition, reference, warning and enlightenment value to our life and social development today. Is the so-called Zhijianjian know the future, before the event did not forget the division of the funeral. People eat food for the day. State non-agricultural instability, people without food panic. Food is about national economy and the people’s livelihood, concerning national security. In the era of planned economy, grain rationing was implemented in cities. The food stamp, the grain issue and the grain-oil relationship are common memories that generations can not erase. Lost food is simply lost life-long roots. Liu Heng’s novel “dog day food” is about such a food