Irregular bleeding is not necessarily cervical cancer. Many gynecological diseases can lead to irregular vaginal bleeding, which needs to be clearly diagnosed through pathology. Cervical cancer is a common gynecological malignant tumor, which is mostly related to the persistent infection of high-risk type of human papillomavirus. In the early stage, patients usually have no obvious symptoms, and there may be contact bleeding, and with the progression of the disease, irregular bleeding may occur in the late stage, and the serious ones may die from excessive blood loss. Many common gynecological diseases can lead to irregular bleeding, such as endocrine disorders caused by irregular bleeding, the need for timely use of menstrual regulating drugs; uterine fibroids caused by irregular bleeding, the need for surgical treatment; such as ectopic pregnancy caused by irregular bleeding, the gestational sac has not ruptured bleeding should be actively using drugs to kill embryo treatment, the gestational sac ruptured bleeding need immediate surgery to save the patient’s life. If the gestational sac ruptures and bleeds, immediate surgery is needed to save the patient’s life. Therefore, patients with symptoms of irregular bleeding need to consult a doctor to clarify the cause of the disease and get treatment as soon as possible, so as not to delay the condition and lead to adverse consequences.