Vaginal flow of pink liquid all the time may be related to gynecological inflammation, ovarian dysfunction, pregnancy abnormality, cervical or endometrial lesions and other factors. 1. Gynecological inflammation: normal leukorrhea is white or transparent, when suffering from pelvic inflammatory disease, vaginitis, cervicitis and other gynecological inflammatory diseases, the leukorrhea will be abnormal, resulting in vaginal secretions of light yellow, milky white, etc., which will be shown as pink when bleeding. 2. Ovarian dysfunction: Ovary has the role of secretion of estrogen, when ovarian dysfunction, estrogen secretion is abnormal, which will lead to the appearance of pink secretion, usually appear in the middle of menstruation, which is regarded as ovulation bleeding. 3. Abnormal pregnancy: If women are sexually active, when pink discharge appears, the possibility of preeclampsia or ectopic pregnancy should be ruled out. 4. Cervical cancer or endometrial cancer: when malignant tumors of the reproductive system, such as cervix or endometrium, are present, there may also be pink fluid flowing from the vagina all the time, mostly accompanied by bad smell. The flow of pink liquid at times other than menstruation is abnormal and needs attention. Relevant examination should be done to clarify the cause to avoid more serious results.