我国的火灾分类标准进行过多次变革,每次变革都有不小的变化;特别是2007年的变革,比以往历次变革都大。文章根据公安部的有关规定及史料的记载,对中华人民共和国建国以来火灾分类标准的历次变革情况进行了归纳和整理。 Our country’s fire classification standards have undergone many changes, with not less changes in each change. In particular, the changes in 2007 were more varied than in the past. According to the relevant provisions of the Ministry of Public Security and historical records, the article summarizes the previous changes in the fire classification standards since the founding of the People’s Republic of China.