立夏是二十四节气之一，古时与立春、立秋、立冬，同为四大节气。它是夏的开始，所以天子有隆重的祭扫，所谓“迎夏于南郊，祭赤帝祝融，车旗服饰皆赤。”见《后汉书·礼仪志》。至宋时礼节更繁，还要祀南岳衡山于衡州，南缜会稽山于越州，南海于广州，江渎于成都。民间的风俗 Legislative legislation is one of twenty-four solar terms, ancient and beginning of spring, autumn, winter, with four solar terms. It is the beginning of summer, so the emperor has a grand ceremony sweep, the so-called “summer in the southern suburbs, offering red emperor Zhu Rong, the flag costumes are red.” See “Post Han etiquette.” To the etiquette Song more complex, but also worship Hengshan Hengshan in Hengzhou, South Zhen Jieshan Juezhou, South China Sea in Guangzhou, Jiangdu in Chengdu. Folk custom