Cast stones are stones that are relatively large and fill the calyces and pelvis of the kidney like antlers. For this reason, cast stones are also known as antler-shaped stones and require surgical treatment. The etiology of kidney stones is not particularly clear, and is related to urinary tract infections, obstructive malformations, and metabolism. Cast stones are generally larger, the difficulty and risk of surgery is also higher, the operation time is also longer, easy to infection and bleeding, before the operation to control the urinary tract infection, the operation is mostly taken percutaneous nephrolithotripsy. It is recommended that patients go to regular hospitals in time to avoid the deterioration of the condition. Cast stones are prone to recurrence after surgery, regular review, but also drink more water, and actively treat the metabolic diseases that lead to the production of stones.