Astragalus polysaccharide is widely used in the field of traditional and modern medicine due to its immunomodulatory properties. It enhances the body's immune response by stimulating the activity of immune cells such as macrophages, T-cells, and natural killer cells, making it a valuable component in treatments for immune-related disorders. In oncology, it is often incorporated into adjuvant therapies to improve the efficacy of chemotherapy and reduce its side effects, such as immunosuppression and fatigue. Additionally, it is utilized in managing chronic inflammatory conditions like arthritis and autoimmune diseases due to its anti-inflammatory effects. Beyond medicine, it is also employed in the agricultural sector as a feed additive to boost the immunity and overall health of livestock, improving their resistance to infections. Furthermore, it is explored in cosmetic formulations for its antioxidant properties, which help protect the skin from oxidative stress and aging.