The statement that there are not 10 symptoms of mild nephritis is false. It is generally manifested as urine changes, back pain, edema, high blood pressure, mild anemia. 1. Urine changes: mild nephritis is often caused by bacterial infection, drug damage, heredity, immune disorders, etc. Early mild nephritis causes proteinuria, hematuria, etc., the surface of the urine can appear tiny white foam, not easy to dissipate, but also can be seen in the case of hematuria. 2. Lumbar pain: early nephritis may be accompanied by lumbar pain, specifically manifested as soreness and discomfort in the lumbar renal area, obvious percussion pain, and sometimes the pain can be radiated along the ureter to the lower abdomen and even the inner thighs. 3. Edema: Early mild nephritis makes the renal function mildly impaired, resulting in poor urinary excretion, increased systemic blood volume, causing eyelid, facial edema, severe generalized edema, and self-consciousness of fatigue. 4. Hypertension: Early mild nephritis leads to partial impairment of renal function, which also causes sodium retention and stimulates the relative increase of renin secretion, which promotes the increase of angiotensin secretion, and vasoconstriction makes the blood pressure rise. 5. Mild anemia: Due to the decrease of erythropoietin in kidneys, it leads to mild anemia, which is easy to have dizziness and headache, fatigue, loss of appetite and so on. It is suggested that patients with nephritis should go to regular hospitals in time and receive standardized treatment under the guidance of physicians.