近年来、我国的工业事故和火灾事故均有上升的趋势。为减少事故的损失，特别是人员的伤亡，深入研究自救、抢救与逃生的技术和装备显得日益重要。举例讲，根据热灾害发生规律。国际热灾害的发展过程和我国现状，我国目前已进入热灾害高发期，其发生频率，危害程度将大大提高。 In recent years, China’s industrial accidents and fire accidents have shown an upward trend. In order to reduce the loss of accidents, especially casualties, it is increasingly important to study technologies and equipment for self-help, rescue and escape. For example, according to the law of thermal disasters. The development process of the international thermal disaster and the current situation in our country have now entered the period of high-temperature heat disaster in our country. The occurrence frequency and the degree of harm will be greatly raised.