Most complex breast cysts require surgery, which should be chosen at the judgment of the doctor based on the structure and characteristics. Complex breast cysts may become malignant if not treated in time. Without regular treatment and follow-up observation, they may progress to breast cancer, shortening the patient’s life expectancy and leading to a reduced quality of life. If complicated breast cysts are suspected, it is recommended to go to the hospital for professional treatment. Surgical penetrating treatment for complicated breast cysts includes puncture aspiration and surgical excision. Puncture Aspiration: The purpose is to extract the cyst fluid from the cyst, which serves to eliminate the cyst. Surgical excision: the purpose is to remove the breast cyst, which plays a role in eradicating the cyst, and at the same time can prevent the cyst from malignant disease. If the patient receives regular treatment in time, undergoes regular medical checkups and under the guidance of a doctor, the normal life of the patient is usually not affected and the possibility of malignant changes is relatively smaller.