The characters, mechanism and formulation design of self emulsifying drug delivery system were reviewed. Its quality and affecting factors, and pharmaceutical applications were discussed.

• 对自我乳化药物传递系统的特点,形成机制,目前采用的处方组成等进行了综述,并对该系统的质量,影响因素及制剂学应用作了一般性介绍。