Cystic breast nodules are not always palpable. Superficial and large nodules can be palpated, while cystic nodules located deep in the breast or very small are more difficult to palpate. Breast cystic nodules are mainly formed by periductal hyperplasia and periductal cysts of varying sizes, which are rich in cystic fluid. Superficial breast cystic nodules may be palpated as single or multiple nodules of varying sizes and toughness, which may be painful to touch, and are often poorly demarcated from the surrounding tissues, and may be manifested as diffuse thickening. Nodules that grow deep in the breast or are too small to be touched by hand are often detected by X-ray or ultrasound. If you feel cystic nodules in the breast, you should go to the hospital in time, complete the examination, clarify the nature of the nodule, according to the doctor’s guidance and recommendations for standardized treatment.