Abstract: Recheck and analyze a fire case, and re-affirm the original identified position and reasons of the detachment proposed by the parties. After in-depth investigation, the fire investigation and law enforcement case handling center of the division took the techniques of on-site restoration, video analysis and on-site reconstruction, pointed out the deficiencies in the original identification conclusion of the detachment, and revoked the original identification conclusion. Through the review and analysis of the fire case, it points out the situation that is easily misled by the identification conclusion in the daily fire cause determination, and puts forward the details that should be paid attention to in the fire investigation and the ways and methods to solve the fire cause dispute.

Key words: fire investigation, fire dispute, fire rechecking