Effect of Lymphedema Prevention Program Based on Theory of Knowledge-attitude-practice on Postoperative Breast Cancer Patients

"Coming for surgery: A PPT lecture; 2. A seminar; 3. Patients were given a lymphedema prevention brochure; 4. Diary cards for exercise is given and instruct patients to fill out daily; 5. Establish a WeChat group.~The first chemotherapy:1. Review diary card and provide guidance and education. 2. A PPT lecture; 3. A seminar; 4. Play functional exercise videos in the recovery room; 5. Rehabilitation volunteers come to the ward to form mutual help groups with patients under the guidance of subject team members; 6. Instruct regular exercise and avoid behaviors that can lead to lymphedema. 7. Ask about the exercise and whether there is any swelling and discomfort and give guidance.~The second chemotherapy: 1. A PPT lecture; 2. A seminar; 3. Play functional exercise videos in the recovery room.~The third chemotherapy: 1. Routine nursing; 2. Assess patients' knowledge of lymphedema prevention and exercise compliances; 3. Play functional exercise videos in the recovery room."