1, usually pay attention to keep the breast clean and hygienic, and develop a good habit of breast self-examination. 2, always pay attention to the various changes that occur in the breast. If there is local pain and pressure, painless lumps with unclear boundaries, sunken nipples, or discharge, you should immediately go to the hospital for related consultation and examination. 3, men prefer tonic nutrients, and most tonic products contain hormonal ingredients, should be carefully selected. 4, the combination of work and rest, regular, appropriate exercise and weight maintenance.