在我国历史上，秦汉以前，人们一天只吃两顿饭，也就是“一日二餐制”。对此，古籍《墨子·杂守》里，作了这样反映性的记载：将士每天食两餐．且食量分为五等。据《睡虎地秦墓竹简·仓》中记载：当时修墙筑垒的民工早饭半斗粮（秦一斗约合二升），晚饭三分之一斗：士兵早、晚 In our history, before the Qin and Han dynasties, people ate only two meals a day, that is, “two meals a day.” In this regard, the ancient book “Mozi miscellaneous”, made such a reflection of records: soldiers eat two meals a day. And food intake is divided into five and so on. According to “Sleeping tiger to Qin tomb bamboo Jane warehouse” records: building walls at the time of migrant workers breakfast half-food (Qin a fight about two liters), one-third of dinner bucket: soldiers early and late