Elevated urinary protein can be divided into physiological and pathological conditions. Physiological short duration, mild, usually does not cause harm to the body; pathological such as nephrotic syndrome, there will be hypoproteinemia, hyperlipidemia, edema and so on. Physiological: after fever, strenuous exercise, urine protein may appear transient elevation, usually short duration, after removing related factors can return to normal, usually will not harm the body. Pathologic: including nephrotic syndrome, etc. In addition to proteinuria, nephrotic syndrome also has hypoproteinemia, hyperlipidemia, edema and other hazards. The glomerular filtration rate of patients with nephrotic syndrome decreases, protein is lost from the urine, the blood albumin decreases, and there is hypoproteinemia and edema; low protein and then lead to lipid metabolism abnormality, and there is hyperlipidemia. Patients with positive urine protein are advised to go to the hospital in time for treatment under the guidance of professional physicians.