The analysis of results of treatment of 188 victims with the severe burn injury complicated by thermoin-halation damage of airways which were divided into the main and control groups is carried out. In the main group the programmed sanatsionny fibrobronkhoskopiya from the first hours from hospitalization with a fre-quency of 2-3 times per day depending on weight of thermoinhalation defeat during the necessary period of time were applied. In control group sanatsionny bronkhoskopiya were carried out irregularly, generally on request of the attending physician. Other treatment was identical in both groups. Active application the sanatsionnykh of bronkhoskopiya allowed to reduce statistically significantly the frequency of a purulent trakheobronkhit from 38,1% in control group to 14,0% - in the main group and to reduce a lethality from 93,5% in control group to 68,4% - basically.