Kidney cysts with cyst wall calcification are mostly found after patients with kidney cysts go to the hospital and check the urological ultrasound, mostly due to the repeated stimulation of inflammation, resulting in calcification of the cyst wall of kidney cysts. Patients will have the following risks after calcification of the cyst wall of kidney cyst: i. Patients may have recurrent back pain, or even severe back pain. Second, after calcification of the cyst wall of kidney cyst signifies that the kidney cyst is prone to rupture, so try to avoid being hit by external forces. Third, after calcification of renal cyst wall, it is easy to develop into cystic kidney cancer, so patients should review the enhanced CT of kidney regularly. fourth, it is easy to have recurrent intracapsular infection, patients may have fever, chills, chills, urinary frequency, urinary urgency, urinary pain and other symptoms of urinary tract irritation signs, they need to visit nephrology clinic in time and take corresponding medication.