Multiple breast cysts may become cancerous, but the risk of cancer is low, and the risk increases if you smoke and drink often and do not pay attention to your diet and other lifestyle habits. Multiple breast cysts are usually characterized by symptoms such as breast lumps, fluid overflow and painful lumps in the breast area, etc. Cysts that persist for a long period of time may progress to breast cancer, which may affect normal life. Multiple breast cysts will cause swelling and breast hypoplasia, which can be cured by surgical removal and prevent malignant transformation of the cysts, and if necessary, need to be treated with medication to relieve the pain, such as ibuprofen, celecoxib, etoricoxib, and so on. Patients with cysts should be treated in a timely manner, regular review, daily life should pay attention to a balanced diet, avoid spicy and stimulating foods to help recover from the disease.