Ultrasound can detect cervical cancer, but it is usually limited to middle and late stage cervical cancer. Ultrasound can detect cervical cancer, but it is generally limited to middle and late stage cervical cancer, while early cervical cancer is not easy to be detected by ultrasound. Biopsy of the cervix and cervical canal is the basis for confirming the diagnosis of cervical cancer and its precancerous lesions. Clinically, cervical biopsy under colposcopy, cervical tube scraping and cervical conical excision can be used to take cervical and cervical tube biopsy to make a clear diagnosis. When the cervical cytology examination is positive for several times or the biopsy is precancerous lesions that need further examination, should do cervical conization to send pathology and histology examination, note that 48 hours before the examination should be prohibited from sexual intercourse, and should not be examined during menstruation. If there is any discomfort, you need to go to the hospital in time and follow the doctor’s instructions in order to better treat the disease.