Carcinoma in situ of the sweat gland of the breast can be treated with medication and surgery under the guidance of doctor. 1. Drug treatment: carcinoma in situ of mammary glands is generally a kind of breast cancer, which can be treated with drugs such as paclitaxel and doxorubicin under doctor’s guidance, after which patients may have symptoms such as loss of appetite, nausea, vomiting, etc. Patients with cardiorespiratory failure and patients with serious heart disease are forbidden to use this drug. 2. Surgery: patients can undergo total mastectomy and breast-conserving surgery under doctor’s advice, the former is radical surgery and usually does not need any convalescence after surgery, while the latter needs to be treated according to the specific conditions, and usually needs to receive radiation therapy and endocrine therapy after surgery, and to go to the hospital for regular checkups. Patients should go to the hospital for examination and choose the appropriate treatment according to their own conditions.