1.CT: High resolution, can clearly show the size, shape, and location of stones. 2.B ultrasound: economical and easy, but low resolution, not easy to find the middle and lower ureteral stones. 3.Urinary routine: to understand whether there is inflammation, hematuria, etc. 4.Blood routine: to understand the degree of inflammation and guide the use of medication. 5.Kidney function: to understand whether the stone affects the kidney function. 6.Metabolic indexes (blood and urine related indexes): to understand the metabolism of the body, to help determine the cause and stone composition, and to guide the medication and diet.