古人为了追求“长生”,很早就有炼制丹药或寻求仙术的活动。“长生”愿望最迫切的,当然是帝王。秦始皇派徐市(一作徐福)率童男童女三千人渡海到蓬莱仙岛求仙,结果一去无回,成为千古之谜。汉武帝也是一个求仙迷,他派人搜求仙术的活动规模更大。迎合着帝王的需要,方之士的队伍逐渐扩大,在秦汉时代,他们俨然成为一家——神仙家。神仙家分为符篆(lù音录)派 The ancients in order to pursue “longevity”, there is a long time refining immortality or immortality activities. The most urgent “longevity” wish, of course, is the emperor. Qin Shi Huang sent Xu City (one for Xu Fu) rate of children and boys and three thousand people across the sea Penglai immortal immortality, the result goes without a return, as the eternal mystery. Emperor Wudi was also a celestial beholder, he sent people to search Xianshu activities larger scale. To meet the needs of the emperor, the party’s staff gradually expanded in the Qin and Han dynasties, they seem to be a - fairy home. Divine family is divided into Fu seal (lù tone record) sent