Drink more water. The first step is to drink more water (or maybe just this step). 240 ml cups, drink at least six to eight cups a day. Although drinking water has always been a good choice, other decaffeinated and alcoholic drinks are also good (if the oxalate concentration in urine is too high, the doctor will remind you not to drink too much decaffeinated tea).

Look carefully. Sometimes, it is not easy to record how much water you drink a day. Therefore, measuring urine volume can estimate the amount of drinking water well. (In pharmacies, there is usually a toilet measuring instrument. Under normal circumstances, the body can produce 1200 to 1350 ml of urine every day.

Eat more dairy products.