Breast cancer grade 1, ki67 <20%, early through active treatment, it is possible to obtain clinical cure. Breast cancer is one of the common malignant tumors in women, which can be divided into grades 1 to 4. Grade 1 usually belongs to the early stage, with a lower degree of differentiation and a relatively high cure rate. While ki67 is an index reflecting cell proliferation, ki67 <20% generally needs to be analyzed in combination with the patient's estrogen, progesterone, HER-2 and other receptors. For some patients, it is possible to control the spread of cancer cells and prevent recurrence through surgical removal of the tumor and with chemotherapy and radiotherapy. Some patients are able to survive for 5 years or even longer without recurrence, thus obtaining clinical cure. Patients should have regular checkups to prevent the occurrence of breast cancer and early detection and treatment. To maintain a good state of mind, do not have too much pressure, avoid excessive emotional ups and downs, eat more fresh fruits and vegetables, pay attention to nutritional supplements. This disease is highly specialized, you should go to the regular hospital in time, determine the specific treatment plan under the guidance of the doctor, and actively cooperate with the treatment to avoid the deterioration of the condition.