Breast cysts may be associated with breast swelling and pain, cancerous tendency, and disruption of normal life. 1. Breast swelling and pain: Breast cysts may have symptoms such as swelling and pain at the beginning of menstruation. 2. Cancer tendency: Although breast cysts are benign, they are two to four times more likely to become cancerous than normal women. Therefore, women with breast cysts need to pay attention to it and go to the hospital for review. Once there is a tendency of cancer, surgery should be carried out immediately. 3. Affecting women’s life: Breast cysts can move without adhering to the skin. However, if it is a single cyst, it will get bigger quickly and affect the appearance. At the same time, there will be breast pain, increased skin temperature, redness and swelling, resulting in serious discomfort for female patients and affecting their lives. Therefore, if a patient develops symptoms of breast cysts, it is recommended to visit a hospital in time to clarify the cause of the disease and choose a targeted treatment.