1, infancy and early childhood eat less health care tonic food. 2.Enhance nutrition, strengthen physical exercise, wear appropriate bras, and avoid radiation during adolescence. 3.Arrange the marriage and childbirth period, use less oral contraceptives, keep the nipples clean, avoid trauma, and correct nipple depression. 4.Do a monthly self-examination of bilateral breast, including axillary lymph nodes, lymph nodes above and below the clavicle on both sides, and seek immediate medical attention if there are nodules or nipple overflow. 5, advocate breastfeeding, postpartum breastfeeding can prevent the occurrence of breast lesions, weaning at the right time. 6, maintain a regular lifestyle, keep a happy spirit, sleep enough, avoid emotional excitement. 7, eat more fiber foods, reduce high-fat diet, strong tea, and caffeine-containing beverages, and use estrogen replacement therapy with caution. 8.Breast swelling and pain before menstruation can be treated with herbal modulation and western medicine to reduce the symptoms and avoid deterioration of the disease. 9.Patients with breast disease, regardless of age, should have frequent physical examinations and mammograms; women aged 35-40 should have basic mammograms; women over 40 should have annual physical examinations and mammograms every 1-2 years; women over 50 should have annual mammograms and mammograms for early detection of lesions and timely treatment. 10.Patients with breast cancer should have surgery as early as possible and have a monthly review within one year after surgery.