The pain grading of renal colic caused by kidney stones is up to 11, which is also higher than the pain caused by childbirth. It is the highest level of pain grading and is often unbearable, so acute low back and abdominal pain accompanied by passive body position comes to the hospital. At this time, pallor may occur due to low back pain, and nausea and vomiting may also occur. Pain relief treatment, such as intramuscular injection of dulcolax or injection of morphine injection and other drugs, is needed to relieve pain. The pain can be reduced or disappeared after the stone is discharged. Most of the pain caused by kidney stones is due to obstruction caused by stones, which leads to an increase in pressure in the renal pelvis and therefore causes acute back pain, or the stones may cause spasm in the ureter and cause acute abdominal pain.