Abstract: In order to standardize the video evidence collection and evidence ability review in the fire investigation, this paper compares the video data of 10 fire accidents and analyzes the characteristics of forensics of video materials in different fire scenes, and the role of proof in the identification of ignition time, fire location, fire cause and other aspects, discuss the video evidence collection principles, procedures, image analysis,management and evidence review, etc., and suggest video data as the basic elements of the use of evidence. 

Key words: fire investigation, video date, evidence collection;evidence review