Calcified spots on the lungs are a common condition and most are not serious. Calcified foci on the lungs are still relatively common for chest CT in middle-aged and elderly people, and most of them are actually not a bad situation, because most of the calcified foci are on the basis of long-term chronic inflammation or long-term living environment with more dust particles, leading to the eventual emergence of calcified foci on the lungs, and generally do not have any effect. A portion of people with calcification of the lungs may be due to the former occurrence of tuberculosis, resulting in the appearance of calcified spots and fibrotic foci, if there is no active tuberculosis in the examination, then there is no need for treatment. Very few calcified foci appear in the lung malignant tumor lesion tissue, such as malignant tumors are serious, need to decide the severity of the specific lesion according to the size of the malignant tumor and invasion.