古人的凿冰藏冰和用冰杨子朗我们的祖先很早就有土办法冷藏食用品或降温防暑，那就是在隆冬严寒的时候凿取冰块存藏起来，以备日后及必要时使用。据记载所知，周族先民已懂得凿冰藏冰之法。描述周族先民从事各种生产活动的《诗经·豳风·七月》中有诗句说：“二之日凿冰冲... Ancient people’s ice-climbing and ice-storing ice and our ancestors Our ancestors had long ago had an earthy way of refrigerating foodstuffs or cooling and preventing heatstroke. It was to pick up ice cubes for storage in the cold winter and prepare them for future use and when necessary. According to the records, the Zhou ancestors already knew how to cut ice and ice. Describe the verses in The Book of Songs and Crises of the Wind in July that describe the ancestors of the Zhou nationality in various production activities: