Bone metastasis refers to bone metastatic cancer, which belongs to the categories of “bone tumor” and “bone paralysis” in Chinese medicine. It is not true that Astragalus treats bone metastasis, Astragalus does not have the function of treating bone metastatic cancer, if bone metastatic cancer patients have the indications of this medicine, they can take Astragalus under the guidance of physicians to assist in the treatment. Astragalus is a traditional Chinese medicine, which is the root of Astragalus membranaceus, family Leguminosae, with the effects of strengthening spleen and tonifying the middle, elevating yang and lifting up the sun (to elevate the yang qi of the organism to lift up the sunken organs), benefiting the guards and fixing the epidermis, diuretic, and supporting the toxin to generate muscle (to expel the toxins and evils, to promote the growth of the muscle and the healing of the wounds). This product can be used in the treatment of spleen qi deficiency, lung qi deficiency, qi deficiency with spontaneous sweating (involuntary sweating during the daytime, aggravated by the slightest movement of sweating), qi and blood deficiency, sores and ulcers that are difficult to be ulcerated and hard to putrefy, or ulcers that are difficult to be converted for a long time, and so on. Note that the use of Astragalus is not recommended for those who have a solid surface, sores or sores that are still full of heat and toxins after ulceration. From the viewpoint of efficacy and function of Astragalus, Astragalus does not have the function of treating bone metastatic cancer, but if patients with bone metastatic cancer have the above mentioned discomforts and exclude the contraindications of medication, Astragalus can be taken under the guidance of physicians for auxiliary treatment to help alleviate the discomforts. If there is a need for medication, it should be used under the guidance of traditional Chinese medicine practitioners, and should not be used blindly by oneself, so as to avoid adverse effects on the body.