A plus sign of protein in urine is an early manifestation of glomerulonephritis and nephrotic syndrome, and further examination is needed when such a problem occurs. Go to the nephrology department of regular hospital to check 24H urine protein quantification, endogenous creatinine clearance, urine osmolality, urine microprotein and other tests can clarify the diagnosis. If necessary, a puncture biopsy of the kidney is also needed to clarify the specific type of kidney lesion. Then choose medications, such as Jin Shui Bao capsule, Bai Ling capsule, with immunosuppressant such as prednisone tablets, continuous treatment for more than 3-6 months, the protein in the urine will be slowly reduced. You should change the structure of your diet and eat more high quality animal protein and less soy products, seafood, animal offal and other foods.