Kidney stones are generally not serious, patients often have no symptoms, often found in the physical examination of the kidneys above a small stone, kidney stones rarely appear renal colic, but may be prone to induce urinary tract infections and hematuria this situation. For the treatment of small kidney stones, oral lithotripsy can be taken to carry on the treatment, at the same time, it is recommended that the patient drink a lot of water, and after the activity may help the small stones to be discharged. If small kidney stones are located in the lower pole of the kidney, the stones can rarely reach the pelvis and ureter to be discharged from the urine, so it is not easy to dislodge the small kidney stones if they are located in the lower pole of the kidney. When there is a small kidney stone, it is still recommended that the patient should go to the hospital to have a urological ultrasound for further diagnosis and specialized consultation.