There are many reasons for glomerular injury, which may be related to infection, glomerulonephritis, diabetic nephropathy and other causes. 1. Infection: including streptococcus, staphylococcus, fungal infection, etc., which causes glomerulopathy, resulting in decreased glomerular filtration capacity and symptoms such as edema and back pain. 2. Glomerulonephritis: related to immune disorder, clinically it can show symptoms such as edema, hematuria, proteinuria, hypertension, abnormal renal function and so on. 3. Diabetic nephropathy: suffering from diabetes mellitus, resulting in increased intraglomerular pressure, basement membrane lesions, large amounts of urinary protein, edema, hypertension and other symptoms. Glomerular damage, need to timely regular hospital medical treatment, relevant examination, clear cause, active treatment, do not self-medication, to avoid causing physical damage.