一年有四季,即春生、夏长、秋收、冬藏,一天之中也有四季:清晨六时为春分,傍晚六时为秋分,子午时代表冬夏。因此,一种天人相应的十二时辰养生法在古代士大夫之间广为流传。清代医家尤乘为其佼佼者。在他的养生百科全书《寿世亲编》中专辟 There are four seasons a year, namely spring students, summer long, autumn harvest, winter possession, there are four seasons in one day: six o’clock in the morning for the equinox, six o’clock in the evening for the autumn equinox, representing the summer. Therefore, a kind of heaven and earth corresponding twelve hour regimen is widely circulated among the ancient literati. Qing Dynasty doctors especially take advantage of its leader. In his health encyclopedia “Lifetime pro-compiled” in the school