Reinforcing healthy qi and dispelling pathogenic factors are the two major principles of traditional Chinese medicine(TCM) in the treatment of tumors.In recent years，immunotherapy has made breakthrough progress in the field of oncology，aligning with the TCM concept of “nourishing the body's healthy qi while eliminating the pathogenic factors”.Astragali Radix is a representative Chinese medicine for reinforcing healthy qi and has effects such as reinforcing healthy qi，dispelling pathogenic factors，promoting diuresis，reducing swelling，activating blood circulation，and dredging collaterals.It is widely used in the treatment of tumor diseases.Astragali Radix mainly exerts its antitumor effects through active components such as Astragalus polysaccharides and astragalosides.Its mechanism of action include enhancing the body's immune function，inducing tumor cell apoptosis，interfering with the cell cycle of tumor cells，inhibiting cell proliferation，suppressing tumor cell migration，invasion，and angiogenesis，and reversing tumor cell drug resistance.Prescriptions such as Huangqi Guizhi Wuwu Decoction，Huangqi Jianzhong Decoction，and Buzhong Yiqi Decoction，which are mainly composed of Astragali Radix，as well as Huangqi Injection，Shenqi Fuzheng Injection，Zhenqi Fuzheng Capsules，and Kang'ai Injection，which are Chinese patent medicines，are commonly used to treat tumors and their complications.The dosage and compatibility of Astragali Radix may vary depending on the different stages and associated symptoms of tumor diseases.