Urine microalbumin 3000mg/L is a large amount of proteinuria, which is relatively heavy. Common causes of proteinuria include diabetic nephropathy, hypertensive nephropathy, chronic kidney disease, etc. It is recommended that patients go to the hospital to do relevant examinations to clarify the causes, such as measuring blood sugar and blood pressure, and doing renal ultrasound to check kidney function for targeted treatment. In addition, patients with urine protein should control protein intake, if the body needs to supplement protein, it should be mainly refined protein, such as fish, lean meat and eggs. In addition to treatment for the cause, drugs to reduce urine protein include Huangkui capsule and Jinshui Bao capsule, which can play a role in protecting the kidneys. In case of hypertension, it is recommended to take antihypertensive drugs of the sartan class such as temisartan and valsartan.