IgA nephropathy in the early stage will usually appear urinary occult blood. IgA nephropathy patients in the early stage due to glomerular filtration membrane damage, resulting in the leakage of red blood cells, causing hematuria, resulting in positive urinary occult blood.IgA nephropathy is more insidious, the most important clinical manifestations for the naked eye hematuria or microscopic hematuria, with varying degrees of proteinuria, the condition is chronic progressive development. The histopathology of IgA nephropathy mainly shows different degrees of mesangial hyperplasia, which may be accompanied by other kinds of lesions.The clinical and pathological manifestations of IgA nephropathy are diverse, and its prognosis is completely different, so the treatment must be combined with the clinical manifestations and pathological features to formulate an individualized treatment plan. If IgA Nephropathy only has occult blood in urine in the early stage, no special treatment is needed. The prognosis of IgA Nephropathy is better, and the renal function of most of the patients can be maintained within the normal range for a long time, and they only need to test the urinary protein and renal function on a regular basis. Patients with IgA Nephropathy in early stage should go to regular hospitals in time and have standardized treatment under the doctor’s guidance to avoid further development of the condition.