The term “renal calcinosis” mainly refers to renal calcinosis, which usually does not go away automatically and requires timely treatment to cure the disease and prevent it from causing renal function damage. Renal calcinosis is due to the calcium-containing particles in the kidney stored in the calyceal diverticulum, renal cysts, hydronephrosis of the calyces of the kidneys, belongs to a special type of renal stones, often occurs in the renal parenchyma of the congenital malformations, renal cysts, hydronephrosis and other people. Generally there is no obvious clinical manifestations, but when combined with infection and stones, corresponding symptoms will appear, which can be divided into cystic type and hydronephrosis type. This disease usually does not go away by itself, if the combined infection is not treated in time, it may lead to aggravation of infection and prolonged disease; if the lesion is large in scope and combined with obstruction, it will lead to acute kidney injury. It is recommended that people with symptoms of low back pain, hematuria, and urinary tract irritation should consult a doctor in time to get a clear diagnosis and then undergo regular treatment.