Cervical polyps detected during pregnancy may lead to coffee-colored leukorrhea. Cervical polyp is a common benign gynecological disease, commonly found in women of childbearing age and postmenopausal women. The underlying cause is the result of long-term stimulation of the cervical mucosa through chronic inflammation, which varies in morphology, and most of the patients do not have any obvious symptoms, and clinically most of them visit the clinic with the main complaints of bleeding between menstrual periods, bleeding after coitus, and bloody leukorrhea. Pregnant women found cervical polyps, there may also be a small amount of bleeding, manifested as coffee-colored leukorrhea. For patients who are found to have cervical polyps on examination, if there is no clinical manifestation, it is not necessary to operate, or can continue to observe. It is recommended to consult the hospital in time to improve the screening of cervical cancer, and after excluding malignant lesions, treatment can be carried out after delivery.