Calcified shadow is usually caused by ectopic deposition of calcium in the body. Calcified shadow is treated differently due to different locations and different etiologies, and common treatments include follow-up observation, medication and surgery. 1. Calcified shadow on lung: it may be caused by calcium deposition after infection or tuberculosis, without clinical symptoms, it can be observed temporarily; it may be tumor, calcified shadow can be seen in lung tumor, according to the pathology and related examination, timely surgical treatment should be carried out, and combined with radiotherapy and other comprehensive treatments if necessary. 2. Calcified shadow of gallbladder: consider gallbladder stones, ursodeoxycholic acid should be applied under the guidance of professional doctors to dissolve stones, according to the condition, such as stones caused by cholecystitis should be treated with antibiotics, such as larger stones or recurrent infections, etc. need to carry out surgical treatment. 3. Calcified shadow of kidney: Consider kidney stones, apply sodium bicarbonate tablets to alkalize urine under the guidance of professional physicians, and apply extracorporeal shock wave lithotripsy, percutaneous nephrolithotripsy and other surgical treatments according to the condition. 4. Other: Calcified shadow may also be caused by parathyroid lesions in the body of calcium and phosphorus metabolism abnormalities, need to be guided by a professional physician to use drugs or surgical treatment. Therefore, it is recommended to go to the hospital for regular checkups to keep abreast of the actual situation of the calcification shadow, and take the corresponding treatment according to the doctor’s instructions.