Cervical bleeding during pregnancy may be due to inflammation, cervical squamous intraepithelial lesion, cervical cancer and other causes. According to the specific situation, give anti-inflammatory, local pressure to stop bleeding, surgery and other treatments. 1. Cervicitis: Gonococcus, Chlamydia trachomatis and other pathogenic bacteria infection leads to cervical congestion and edema. Sexual life and other reasons can lead to cervical bleeding, give cefoperazone, ceftriaxone sodium and other anti-infective treatment, cervical surface bleeding with sterile gauze compression to stop bleeding. 2. Cervical squamous intraepithelial lesion: papillomavirus infection can cause cervical squamous intraepithelial lesion. Low immunity during pregnancy makes it easy to develop cervical squamous intraepithelial lesions. Cervical squamous intraepithelial lesion in pregnancy mostly in the postpartum 6 weeks can return to normal, cervical squamous intraepithelial lesion causes cervical erosion, bleeding, pressure to stop bleeding. Review and deal with it after delivery. 3. Cervical cancer: in patients with cervical cancer during pregnancy, cancerous tissue invading blood vessels can cause cervical erosion and bleeding. Improve the cervical cytology examination, papillomavirus examination, determine the cervical cancer, can be performed cervical conical resection, cutting edge negative, postpartum treatment. When cervical cancer is diagnosed after 28 weeks of pregnancy, surgical treatment is performed after the fetus is removed at 34 weeks. Cervical bleeding during pregnancy should be promptly consulted, and the cause of the bleeding should be identified and appropriate treatment should be given under the guidance of the doctor.