Total mastectomy will lose the ability to breastfeed, psychological shadow and affect the balance of the body and other hazards. 1. Loss of breastfeeding ability: breastfeeding function will be completely lost after total mastectomy, which may affect normal breastfeeding to some extent. 2. Psychological impact: for the patients’ quality of life, many patients dare not go to public places to take a bath, dare not go swimming, dare not wear revealing clothes. In the long run, it will cause great psychological damage. 3. Impact on body balance: The main impact on the body after mastectomy is body imbalance, leading to shoulder muscle pain, shoulder height deformity and spinal curvature. Especially for patients with large breast volume, scoliosis is more obvious. Some patients do live longer after total mastectomy, but physical and mental pain will be present in the future, and it is recommended to learn some ways to relieve psychological stress.