Urine pH 5.5 is the basic normal range, normal human urine pH is between 5.5-7.5, 5.5 is the lower limit of the normal value, it is recommended to continue to observe. Usually you should drink more water, eat a light diet, eat more fresh vegetables, fruits, coarse grains, coarse cellulose food, properly control the excessive intake of sodium and protein, and recheck the urine routine after a week. Acidic urine may be the function of the kidneys to excrete acid and preserve alkaline, excrete relatively more acid, this situation is generally no big deal. If the pH value is less than 5.5 is a serious acidic urine, pay attention to whether there is the possibility of urinary tuberculosis.