Vulvar itching is not necessarily cervical cancer, vulvar itching is often caused by the following reasons: 1, diabetes, vulvar inflammation or pubic lice may lead to vulvar itching; 2, vulvar itching caused by vaginal inflammation, such as Candida vaginitis, trichomoniasis, bacterial vaginosis, mycoplasma infection, chlamydia infection may lead to vulvar itching, gynecological examination, routine examination of leukorrhea, blood glucose laboratory tests can basically make a preliminary diagnosis. Gynecological examination, routine examination of leukorrhea, blood glucose test and so on can basically make a preliminary diagnosis. Cervical cancer often has no symptoms in the early stage, but in the late stage, there will be bloody discharge or slop-like discharge, and accompanied by a bad odor. It is important to note that if bleeding occurs during intercourse, it is important to be alert to the possibility of cervical cancer, and it is also recommended that women undergo cervical cancer screening once a year.