Cultivated immortals for 500 years, worked in heaven for 500 years, in charge of birth, aging, sickness and death in the human world. The immortal doctor with a thousand years of immortal power failed to overcome the catastrophe and fell to the human world. He was reborn and returned to the year he graduated from university. Xianli, let's see how he can rule the mortal world, deal with all kinds of disobedience, get the right fruit, and return to the immortal class...