Bilateral cystic hyperplasia of the breast is usually considered to be related to endocrine disorders, mammary gland insufficiency, mental factors, etc. You can go to the hospital for further examination to clarify the cause of the disease, and then carry out appropriate treatment under the guidance of the doctor. Breast cystic hyperplasia is characterized by cysts formed by high expansion of the lobular ducts and terminal ducts of the breast. Compared with simple breast hyperplasia, this disease coexists with atypical hyperplasia and there is a risk of malignant changes. 1. Endocrine disorders: generally due to ovarian endocrine disorders, resulting in abnormal hormone secretion, causing bilateral breast cystic hyperplasia. Endocrine disorders can be treated with medication as prescribed by the doctor. 2. Incomplete breast regeneration: it is usually due to incomplete regeneration of the breast after injury, resulting in breast structure disorders, causing bilateral breast cystic hyperplasia. The symptoms can be relieved by improving living habits and diet. 3. Mental factors: It may be due to excessive stress, causing hormone secretion disorder and bilateral breast cystic hyperplasia. Generally, the symptoms can be relieved by paying attention to rest and keeping a relaxed and happy mood. If the phenomenon of bilateral breast cystic hyperplasia occurs, you should go to the hospital in time for consultation, and actively treat it under the guidance of the doctor.