The first step to cervical cancer screening is of course cytology + HPV testing. When performing cytology, the following should be noted: Do not participate in cervical cancer screening during menstruation; Do not have intercourse within 24 hours prior to cervical cancer screening; Do not perform vaginal douching or vaginal medication 24 hours prior to cervical cancer screening; If vaginitis is in an acute stage or if there is excessive leukorrhea, it is best to wait until the inflammation is under control before screening; Patients with age-related cervico-vaginitis are best screened after 1-2 weeks of estrogen preparation. weeks after the use of estrogen preparations.