近年来,我国森林防火形势比较严峻。据专家统计,人为火一直是我国发生森林火灾的最主要原因,绝大多数森林火灾都是人为因素引起的。这些火灾原因,一类是烧荒、烧炭、烧牧场等生产性用火引起森林火灾,一类是上坟烧纸、野外吸烟、小孩玩火和痴呆弄火、取暖做饭等非生产性用火引起 In recent years, the situation of forest fire prevention in our country is quite serious. According to expert statistics, man-made fire has always been the most important cause of forest fires in our country. Most of the forest fires are caused by human factors. The causes of these fires are forest fires caused by productive fires such as burning waste, burning charcoal and burning pastures, and the other is caused by non-productive fires such as burning paper on the grave, smoking in the wild, playing with fire in children and dementia, fire heating and cooking