Cervical cancer is the most common gynecologic malignancy, and when it progresses to an advanced stage, it can quickly take a person’s life. However, cervical cancer has a characteristic that other malignant cancers do not have: it is the only cancer for which the cause is currently known. Moreover, the journey of cervical cancer is long, from precancerous lesion to malignant invasive cervical cancer, there is at least 5-10 years of latent time. Therefore, with the right medical checkup, more than 90% of cervical cancer can be prevented and killed at the “precancerous” stage. However, some women still think that cervical cancer can be screened by uterine ultrasound and cervical smear, but obstetricians and gynecologists say that these two types of medical examinations can cause missed diagnosis. The natural evolution from cervical pre-cancer to cervical cancer generally takes 5-10 years. In this stage, most patients have no obvious symptoms, and most of them are at advanced stage when symptoms appear. Once it becomes cancer, especially in the late stage, it develops extremely fast and will metastasize to other parts of the body via lymph and blood vessels. In the precancerous stage, active treatment can basically achieve 100% cure rate, but once cervical cancer reaches advanced stage, the mortality rate is almost 100%. The treatment of cervical cancer has been very standardized: if the examination shows mild cervical precancerous lesions, it can be observed; moderate to severe precancerous lesions can be treated with LEEP surgery to remove the cells with cancerous tendency so as to prevent cervical cancer; severe precancerous lesions are in situ cancer, and in situ cancer is only one step away from cervical cancer. If cervical cancer has developed, extensive hysterectomy can be chosen in early stage when the cancer cells have not metastasized to the pelvis to achieve good treatment effect; if the cancer cells have metastasized in late stage, the survival period can only be prolonged by means of radiotherapy and chemotherapy. It is worth reminding that there are no obvious symptoms in the early stage of cervical cancer. Some patients may experience vaginal contact bleeding (bleeding after sex or gynecological examination), or vaginal discharge increases and is white or bloody, thin like watery or rice soup-like, with fishy odor. “Vaginal contact bleeding is a more typical manifestation of cervical lesions, which may be cervical cancer, but may also be diseases such as cervical polyps. If such symptoms occur, you should seek medical attention in time for the physician to determine the cause.” Wan Lan reminded, “The most important means of detecting lesions is still regular gynecological examination.”