Kidney disease is now also as an invisible killer, sometimes unknowingly suffering from kidney disease, the following symptoms suggest that the kidneys may have problems: 1, edema: edema in the eyes, face, feet, may be a common condition of kidney problems; 2, foamy urine: foamy urine is the presence of persistent, fine foam in the urine, which may suggest the presence of proteinuria, and proteinuria is A signal of kidney disease; 3, urine color change: urine color becomes red, or a wash water color, strong tea color, etc., which may be a signal of hematuria, and hematuria is a more common symptom of kidney disease, to exclude some drugs, food-induced changes in urine color; 4, the appearance of loss of appetite, nausea and vomiting: may be an early manifestation of impaired kidney function; 5, hypertension: there are some young patients with very high blood pressure, there may be caused by kidney problems; 6, anemia: patients appear weak, easily fatigued, inattentive and pale, which suggests that it may be anemia, go to the hospital for routine blood tests. These conditions may suggest kidney problems, be sure to go to the hospital to do some relevant checks.