Clinically, the following diseases cause breast pain in women during ovulation: First, endocrine system diseases, such as endocrine dysfunction, because the endocrine system secretes estrogen, sex hormone, progesterone, follicle stimulating hormone, luteinizing hormone, etc., all these hormones have a vital role in female ovulation, if these hormones are abnormal, the phenomenon of breast pain in women during ovulation will occur. Secondly, it may be due to gynecological inflammation, such as common mastitis, chronic breast cysts, breast fibroadenitis, etc. Because the immunity of the female body is relatively poor during ovulation, if suffering from common inflammation of the breast, the symptoms of inflammation during ovulation will be aggravated, resulting in the abnormal phenomenon of breast pain during female ovulation. Thirdly, for women above the age of forty, it may be due to gynecological tumors, such as tumors on the breasts, nipples or breast cancer, which can also cause women to experience breast pain during ovulation.