“国之大事,唯祀与戎”。古代帝王诸侯的许多重大礼仪活动都是通过祭祀天帝祖宗,表达自己对上天神灵的崇敬,对祖先功烈的颂扬,以此来祈望庇荫子孙后代兴旺发达。秦汉时祭祀天地 “National event, worship and Rong”. Many major etiquette activities of ancient kings and princes are through the worship of the ancestors of the ancestors of Heaven, expressing their reverence for the God of Heaven and the glorification of the ancestors’ meritorious deeds, in the hope of prospering the well-being of future generations. Qin and Han sacrificial world