The dietary precautions for urinary protein 2+ depend largely on the cause of the urinary protein. If it is caused by physiological reasons such as strenuous exercise, lifestyle changes can be made and there is usually no special dietary contraindication. If the cause is pathologic, such as glomerulonephritis, diabetic nephropathy and other kidney diseases, you need to avoid high salt, high protein diet. 1. Physiological causes: proteinuria 2+ caused by strenuous exercise, fever, there is no special dietary precautions, and good habits can be developed. 2. Pathological causes: such as glomerulonephritis, diabetic nephropathy and other renal diseases, dietary advice is low-salt, high-quality, low-protein diet, to avoid high-salt, high-protein diet. Eating too much high salt food is easy to aggravate edema and blood pressure, while eating too much high protein food may aggravate the burden on the kidneys and accelerate the decline of glomerular filtration rate. There may be other reasons for the presence of urine protein 2+, and it is recommended that patients go to regular hospitals in a timely manner and receive standardized treatment under the guidance of doctors.