Urine glucose (++++), obviously the kidneys excrete more glucose through urine, indicating positive urine glucose, and it is more serious. The specific reasons are as follows: 1, one of the most common cases is diabetes, the glucose in the blood increases, which makes the body’s protection mechanism prompt the kidneys to excrete more sugar, which leads to urine glucose (++++); 2, the lowering of the kidney sugar threshold and the increase of sugar excretion, some people do not have high blood sugar, but high urine sugar, but this situation needs to go to the hospital for a clear diagnosis.