HuangQi capsule is a kind of Chinese patent medicine, the main ingredient is yellow marshmallow flower, with the effect of clearing dampness and heat, detoxification and swelling. Therefore, Huangkui capsule is often used in clinical practice for patients with nephritis to achieve the effect of lowering urine protein, and it is also helpful for patients with nephritis with edema and hematuria. The capsules are taken five capsules each time, three times a day. The main side effects of Wasabi Capsules are often a feeling of fullness in the upper abdomen, and some patients may experience nausea or even abdominal pain. In addition, a small number of patients may experience an adverse reaction of skin rash. Overall the side effects of Huangkui capsule are relatively small and helpful for patients with nephritis as a kidney preservation drug.