Kidney Fukang capsule can play a role in the treatment of urinary protein varies from person to person, and can not be generalized. Kidney Fukang Capsule is a proprietary Chinese medicine with the effect of clearing heat and diuresis, benefiting the kidney and resolving turbidity, suitable for the treatment of feverish drenching and astringent pain, acute nephritis edema, and acute episodes of chronic nephritis. Because proteinuria is a common manifestation of nephritis, the use of this drug can reduce proteinuria to a certain extent. However, the exact extent of its efficacy needs to vary from person to person. At present, the adverse reactions and contraindications of Renfukang Capsules are not clear. It is recommended to use the drug under the guidance of the doctor, not blindly self-medication, in order to avoid adverse effects. If the patient has urinary protein, it is recommended to go to the regular hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.