The typical clinical manifestation of renal colic is colic, that is, a kind of colic pain, and its main manifestations include the following aspects: 1, acute low back pain, low back pain usually occurs in the kidney area or the direction of ureteral travel, severe pain in the lumbar region mainly to the lateral abdomen, groin, iliac fossa radiating pain, combined with abdominal and perineal radiating pain; 2, some patients with renal colic will be accompanied by nausea, vomiting and other symptoms; 3, patients will show symptoms such as elevated blood pressure, due to severe pain resulting in a drop in blood pressure.