There is no such thing as a correct drug formula for Fangji Huangqi Tang. Clinical use of Fangji Huangqi Tang requires additions and subtractions based on the patient’s condition. Fangji Huangqi Tang is composed of Astragalus, Fangji, Radix et Rhizoma Glycyrrhizae, Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Zizoma Ginger, and Fructus Jujubae, which can benefit qi to dispel wind and strengthen the spleen to promote diuresis. In the formula, Fang Ji dispels wind and water, Astragalus strengthens the qi and solidifies the epidermis, and also promotes water, the two together, dispelling wind and removing dampness without harming the positive, and benefiting the qi and solidifying the epidermis without loving the evil, so that the wind and dampness are all gone, and the epidermis deficiency can be solidified; Atractylodes macrocephala replenishes qi and strengthens the spleen to dispel dampness, not only to help Fang Ji dispelling dampness and water, but also to increase the power of Astragalus, benefiting qi and solidifying the epidermis. Ginger, jujube and Yingwei (so that the body’s internal and external qi smooth, each in its own way); licorice and the middle, and reconcile the drugs (reconcile the different Chinese medicinal properties). Patients are advised to use the medicine under the guidance of a doctor.