Urine protein 1 + suggests proteinuria, divided into physiological and pathological two kinds, physiological is not serious, pathological is more serious. Physiological: the body strenuous exercise, fever, low temperature stimulation, mental tightness and other physiological state, can cause temporary, mild proteinuria, known as functional proteinuria. This kind of proteinuria can disappear with the elimination of the factors affecting the body’s physiological response and the recovery of renal function, usually not very serious. Pathologic: glomerulonephric proteinuria, tubular proteinuria, mixed proteinuria, etc., commonly found in nephritis, nephrotic syndrome, tubulo-interstitial disease, etc., is more serious and should be treated in time. If urinary protein 1+, it is recommended to go to the hospital in time, under the guidance of professional physicians to clarify the cause of the disease and timely treatment.