Symptoms of nephritis in young children are as follows: 1, generally the onset of nephropathy in young children is relatively slow, simple nephritis onset age is small, mostly in the age of 2-7 years old, and nephritic nephropathy onset age is large, mostly in the age of 7 years old and above. 2, swelling is the obvious symptom of nephritis in pediatric is, and is the earliest symptom that appears. It begins to appear on the face and eyelids, especially in the morning when waking up, and slowly develops to the whole body.3, hematuria or proteinuria.4, the child’s nutritional deficiencies and developmental backwardness due to hypo-proteinemia, manifested as yellowish hair, dry skin, pale face, pale lips and mossy white, fatigue and lack of movement, loss of appetite.5, prone to upper respiratory infections of the throat, tonsils and other conditions.