Patients with urinary tract stones drinking tea is not good, it is recommended that as far as possible do not drink tea, especially do not drink strong tea. Tea or strong tea contains high oxalic acid, after a long time a large intake, can increase the body oxalic acid content, increasing the probability of suffering from stone disease, so patients with stone disease is best to drink water, and not to tea instead of water. Even if you need to drink tea, you should not drink strong tea, but only a small amount of tea, the concentration of tea as much as possible to control the degree of light, otherwise it can increase the probability of suffering from stone disease. The amount of water consumed daily should be >2500mL, and for existing stones, extracorporeal shock wave lithotripsy, medication or surgery should be used to promote the elimination of stones as soon as possible. In addition to not drinking tea, other foods rich in oxalic acid, such as spinach, celery, lettuce, beets, strawberries, prunes, cocoa, chocolate and nuts, should be reduced.