The chance of cervical cancer at the age of 21 is still relatively low. The most common age of cervical cancer in women in China is around 50 years old, but there is a trend of rejuvenation of cervical cancer in the current study. If you have sex, you need to do pre-cancer screening of cervix, that is, TCT and HPV test, if there is any abnormality in these two tests, you need to timely and symptomatic treatment, to avoid the occurrence of cervical cancer. Young women have a low chance of getting cervical cancer, but it cannot be completely ruled out, so regular checkups are needed. If the examination has determined that there is cervical cancer, it is also necessary to do pelvic nuclear magnetic, chest, upper abdomen, head CT, ultrasound of the urinary system to comprehensively assess the condition, the need for open surgery to expand the scope of the operation, and if necessary, postoperative adjuvant radiotherapy and chemotherapy.