Urine protein (+) refers to the presence of a small amount of protein in the urine, which represents the possible presence of kidney-related diseases, and requires further examination of renal function, 24-hour urine protein quantification and other items to determine the condition. Clinically, the common causes of urinary protein, including glomerulonephritis, nephrotic syndrome, diabetic nephropathy, etc., need to be based on the specific conditions and causes of the disease, to develop a treatment plan. Generally speaking, ACEI or ARB is preferred. In the course of treatment, attention is paid to monitoring the changes in the condition, and if the patient shows deterioration, it is also necessary to apply hormones, immunosuppressants and other drug interventions according to the specific type of pathology. In daily life, pay attention to the dietary principles of low salt, low fat, high quality and low protein.