Abstract: In recent years, the GSA has carried out many fire-fighting work with helicopters in the high-altitude forest region of northwest Yunnan. In this paper, the difficulties and experiences in fighting the “4.23” (23 April 2021,Yulong, Lijiang) forest fire were objectively evaluated by summarizing and analyzing the situation of fighting the “4.23”forest fire. And this paper tries to figure out the problems of putting out the fire in Yulong, puts forward relevant countermeasures and suggestions, and improves the fire-fighting ability in the plateau area by summing up the cases.