叙述了数码微距摄影技术在失效分析中的应用，并介绍了失效微距摄影的原理、构图、用光及其注意事项。将数码微距摄影技术应用于失效分析中,可以获得更全面和细致的信息,不仅可以据此对事故和失效的发生和发展过程做出判断,而且可以为事故和失效分析结论提供可靠的佐证和依据。

Application of digital macro photography in failure analysis was introduced, and principle, mode of composition, optic distribution and matters need attention were also described. Applying the digital macro photography in failue analysis could obtain more complete and micromech information. According to it can not only judge the occurrence and development of the accident and failure, bat also provide more reliabe basis for the accident and failure analysis conclusion.