道教以长生成仙为核心信仰，历来注重养生延寿之术。而养生首先要去病，故学道者往往兼学医。特别是，古代道士多入山修炼，一旦生病，只能自我疗疾，这种情况促成了道士们自觉研习医术的传统。此外，道教认为修炼成仙必须广行善事，积功累德，只有功德圆满，才能得道成仙。而? Taoism to generate immortality as the core belief, has always been focusing on the art of health longevity. The first health care to go to illness, so students often learn medicine. In particular, when the ancient Taoist priests went into the mountains and practiced medicine, they were able to cure themselves once they became ill. This led to the tradition of Taoist priests who consciously studied medicine. In addition, Taoism believes that practicing immortality must carry out good deeds and accumulate support for virtue, and only if the merit of moral integrity is achieved can it be achieved. and?