High immunoglobulin G in urine may be caused by acute glomerulonephritis, acute glomerulonephritis, chronic glomerulonephritis, nephrotic syndrome, multiple myeloma, diabetic nephropathy, lupus nephritis, etc. Usually, according to the specific conditions, we can adopt the general treatment, medication, and other treatments such as chemotherapy and bone marrow stem cell transplantation, etc. If the disease is found to be high, we suggest paying attention to rest. 1. General treatment: If urinary immunoglobulin G is high, it is recommended to pay attention to rest, take low-salt, low-fat, low-phosphorus and high-quality protein diet, avoid spicy and stimulating foods, and take moderate exercise. 2. Drug treatment: according to the actual situation of the patient, symptomatic treatment, such as taking hydrochlorothiazide, furosemide and other diuretics; such as Irbesartan, valsartan, captopril and other antihypertensive drugs; such as methylprednisolone, prednisone acetate and other glucocorticosteroids; such as tacrolimus, cyclophosphamide and other immunosuppressants; such as Rigolenide, insulin and other hypoglycemic drugs. The drugs should be used according to the doctor’s prescription. 3. Other treatments: If seen in multiple myeloma and other diseases, chemotherapy and bone marrow stem cell transplantation can also be accepted if necessary. If urinary immunoglobulin G is found to be high, it is recommended to consult a doctor in time and standardize the diagnosis and treatment under the doctor’s guidance, so as to avoid delaying the condition.