Renal colic is a sudden, intermittent pain with persistent episodes, which can be self-resolving in some patients without treatment. Its complications mainly include hydronephrosis, renal insufficiency, urinary tract infection, acute pyelonephritis, acute cystitis, urinary tract infection and so on. After the occurrence of renal colic, patients should go to the hospital as soon as possible for formal diagnosis and treatment. Renal colic is sudden and unpredictable, patients will feel more nervous during the frequent occurrence of colic, which will have a greater impact on their life.