Network in-depth report is an effective method,by which network enhances the public supervision,strengthens media's competitiveness and attracts the audience.The narrative strategies of network in-depth report have obvious features compared with that of the classical in-depth report.This paper summarizes the narrative strategies of network in-depth report:entire sense narration,open narration,modularizing narration and productive narration.Based on that,the paper also summarizes the narrative function of network in-depth report.