Striated hyperplasia of the breast refers to the hyperplasia that radiates from the nipple, the edge of the gland of the breast, and feels like a rope when palpated with the hand in the clinic. Striated hyperplasia is generally referred to as breast hyperplasia, which is divided into physiological and pathological hyperplasia. Physiological hyperplasia usually occurs when estrogen secretion reaches its peak before the menstrual cycle, and the hormonal influence causes the breast to show striated hyperplasia; pathological hyperplasia may gradually increase in size and develop into breast cancer. It is recommended that further imaging tests, such as molybdenum target, color ultrasound, or pathologic puncture be performed to clarify the nature of the hyperplasia, and observation or treatment should be carried out under the guidance of a doctor.