Due to various and complex conditions and environmental factors in outdoor activities, skin injury is highly prevalent and may cause serious health problems. Ganoderma lucidum chitosan, with the characteristics of small molecular weight and without allergenic protein, plays a unique role in anti-infection, hemostasis, analgesia and wound healing in the repair of skin injury caused by outdoor activities, which provides a safe and effective approach for the treatment of skin injuries in outdoor activities. This article aims to analyze the application progress of Ganoderma lucidum chitosan in skin injury caused by outdoor activities, in order to provide reference for the research and application in related fields, so as to promote the further development of Ganoderma lucidum chitosan in the field of wound repair.