1) Breast pain: It is often swelling or tingling, which can involve one or both breasts, especially one side. It is not suitable for people with severe pain to touch, and even affects their daily life and work. The pain is mainly in the breast lump, and it can also radiate to the affected armpit, chest or shoulder. Others show nipple pain or itching.

2) Breast lump: The lump can occur in one or both breasts, single or multiple, mostly in the outer upper quadrant of the breast and also in other quadrants. The shape of tumor is patchy, nodular, cord-like, granular and so on. Among them, patches are the most common.

3) nipple discharge: a few patients may have nipple discharge, which is spontaneous discharge, and a few patients may have bloody discharge or milky discharge, straw yellow or brown serous discharge when squeezing nipples.

4) Menstrual disorder: patients with this disease can also see irregular menstruation before and after menstruation, which may be accompanied by dysmenorrhea.

5) Emotional changes: Patients often show depression or irritability, which is aggravated every time they are angry, nervous or tired.