灵芝是民间常用的传统名贵中药材，对维持人体健康发挥着重要作用。其中，灵芝多糖是灵芝的主要生物活性组分之一，具有抗癌、免疫调节、抗菌、抗氧化、清除自由基等多种药理作用。中枢神经系统疾病病因、病机复杂，临床表现多样，对治疗的反应性个体差异较大，给临床治疗带来了极大的挑战。从阿尔茨海默病、抗癫痫、调节小胶质细胞炎症反应的作用等方面对灵芝多糖中枢神经保护作用的特点及机制进行了综述，为其临床应用提供相关依据。

Ganoderma lucidum is a traditional folk common rare medicinal herb, which plays an important role in maintaining human health. Among them, G. lucidum polysaccharide is one of the main bioactive components of G. lucidum, which has various pharmacological effects such as anti-cancer, immunomodulatory, antibacterial, antioxidant, and scavenging free radicals. Due to the complex etiology and pathogenesis of central nervous system diseases, the clinical manifestations are diverse, and the individual response to treatment varies widely, which brings great challenges to clinical treatment. The characteristics and mechanism of the central neuroprotective effect of G. lucidum polysaccharide are reviewed in this paper from the aspects of Alzheimer's disease, anti-epileptic, modulating microglia inflammatory response, etc., in order to provide relevant evidence for its clinical application.

R284.18

国家自然科学基金资助项目（31860267）