A urine pH of 8.5 indicates alkaline urine because the normal urine pH is between 4.6 and 8.0 and is usually caused by diseases such as renal tubular acidosis and cystitis. In addition, some other factors may also cause alkaline urine, such as eating a lot of alkaline foods, such as milk, various vegetables, beans, etc. Consuming too much of such foods may cause alkaline urine, and taking alkaline medications, such as stomach soothing, soda tablets, and aluminum thioglycollate may also cause alkaline urine. If the alkaline urine is caused by disease factors or food factors or medication factors, further examination is needed to determine, if it is caused by disease factors, medication is needed, currently there are two types of medication, respectively, Chinese medicine treatment and hormone therapy, Chinese medicine treatment method is slow to work, but safer, hormone therapy method has more side effects, need to be carefully selected.