Calcification of breast nodules refers to the formation of calcified foci in the nodular lesions found in the breasts during examination. Generally, there are benign calcification and malignant calcification. 1. Benign calcification: benign calcification is usually a single calcification with smooth edges, which refers to inflammation in the breast milk and benign calcified spots in the breast milk, which is a normal phenomenon and no need to worry too much. 2. Malignant calcification: malignant calcification is generally piecemeal calcification, and the border is not clear, part of it can be seen as burr-like, the mechanism of forming calcification is that the tumor tissue ischemic shock and lead to calcification. If the patient has breast nodule calcification, it is recommended to go to the hospital in time. Improve the relevant examination, clarify the cause of the disease, and then take the appropriate treatment program.