石灰的应用历史较之“秦砖汉瓦”悠久得多了。我们的祖先,在渡过“茹毛饮血”的漫长岁月后,随着火的利用,使人类有了一个长足的进步。因为要熟食,祖先们发现,石头或贝壳经过熔烤后,会变成石灰,对石灰性质的长期观察,促进了对石灰的应用。在发掘古代奴隶制社会遗址时,发现在奴隶栖身的洞穴中有石灰,河南省安阳市 The application history of lime is much longer than that of Qin Hanwa. Our ancestors, after spending a long period of time pursuing blood and drinking blood, have made a great progress for mankind with the use of fire. Because of cooked food, the ancestors discovered that after melting the stone or shell, it turned into lime. The long-term observation of the nature of lime promoted the application of lime. During the excavation of ancient social sites of slavery, it was discovered that there was lime in the cave where slaves lived, and Anyang City, Henan Province