The progress on research status and method of natural degradation is summarized, and some critical discussion in experimental design is described from the point of biodegradation and photodegradation.

• 归纳了水体中有机污染物自然降解的研究现状和研究方法,并以生物降解和光降解为例,指出目前在自然降解实验研究设计方面值得关注的一些问题。