Positive protein mainly refers to positive urine protein, which is a qualitative test, including (+) to (++++), and can be a rough estimate of how much urine protein is present. When it is greater than 3.5g/24h, it is called massive proteinuria. Positive urine protein can be seen in a variety of diseases, most commonly kidney diseases, such as glomerulonephritis, nephrotic syndrome, hypertensive nephropathy, diabetic nephropathy, lupus nephritis, and tumor-associated nephropathy. Urine protein can damage the kidney, it is recommended to identify the cause, patients with underlying diseases should actively control blood sugar, blood pressure level still can not be controlled, you can take oral urine protein-lowering drugs, such as ACEI or ARB drugs, if necessary, need to perform kidney puncture, clear pathology, can apply immunosuppressive therapy.