Causes of high urine sugar mainly include high blood sugar, kidney disease, temporary diabetes, drugs and so on. 1. Hyperglycemia: high urine glucose is mostly seen in diabetic patients, but also seen in Cushing’s syndrome, growth hormone overproduction and other causes of increased blood glucose. 2. Kidney disease: chronic nephritis, nephrotic syndrome, interstitial nephritis and other kidney diseases, kidney function is impaired, resulting in high urine sugar. 3. Temporary diabetes: stress diabetes, neonatal diabetes, psychogenic diabetes, etc., which can usually return to normal. 4. Drugs: taking salicylic acid, isoniazid, streptomycin and other drugs may also lead to high urine sugar. The causes of urinary glucose are more, should go to the hospital in time to identify the causes and take targeted treatment.