Usually there is protein in the urine to consider two situations, one is physiological, such as intense exercise, high fever, cold, etc.; the other is pathologic, such as kidney disease, etc., it is recommended to consult a doctor in time to clarify the diagnosis. 1. Physiological: a large amount of high protein food, strenuous activities of the population or the body of high fever, cold, etc., can lead to a transient protein in the urine, generally after a light diet, rest can be recovered, but need to be regularly rechecked. 2. Pathological: more common renal diseases, such as acute and chronic glomerulonephritis, nephrotic syndrome, etc., but also other systemic pathologies involving renal damage, such as lupus nephritis, diabetic nephropathy. There are many other reasons for protein in the urine, and it is recommended that patients consult a regular hospital in a timely manner to improve the relevant examinations, make a clear diagnosis, and timely targeted treatment.