Urine glucose 3+ is more serious. It can be a factor of the disease or a factor of the medication. This requires timely medical attention to identify the cause of the disease under the guidance of the doctor. 1. Disease factors: urine does not contain glucose, glucose is generally filtered from the glomerulus and reabsorbed through the kidneys, if there is a urinary glucose 3 +, it may be due to hyperglycemia resulting in a significant decline in the renal glucose threshold, the renal tubules can not be excess glucose absorption, and thus excreted in the urine, indicating that the patient may have diabetes, the need for further refinement of the examination and monitoring of blood glucose The patient needs to further improve the examination and monitor the blood glucose situation. 2. Drug factors: If the patient uses drugs such as dagliflozin to lower blood sugar, this may inhibit the reabsorption of glucose by the kidneys, and glucose is discharged from the urine, so as to achieve the effect of lowering blood sugar. Urine glucose 3 + need to consult a doctor in time, under the guidance of the doctor to improve the relevant examination, to identify the cause of the disease.