因追求长生不老,炼丹服散求仙在古代中国上层社会中一度成为时尚和风雅之事。但是,服散虽能得到片刻的神明开朗,然而寒食散或丹药中的火毒却会导致散发、发背等病弊,令服散之人痛苦不堪,针对此弊也出现了一套减除该病弊的办法。本文简单梳理了汉唐之间炼丹、服散、解散的理论、技术和方法。 Due to the pursuit of immortality, alchemy of immortals served as an occasion for fashion and elegance in ancient Chinese upper classes. However, even though the service can get a moment of bright and cheerful gods, but the cold food or immortality in the fire poison but will lead to dissemination, hair and other illnesses and diseases, so that people suffering from unrest casual, there is a set for this disadvantage In addition to the pros and cons of the way. This article simply sorts out the theory, technique and method of alchemy, service and dissolution between Han and Tang Dynasties.