When a woman’s cervix is tested with tincture of iodine, if it is in the negative zone, i.e., evenly colored, it is a normal change and is called negative. If the tincture of iodine coloring for examination, the cervical tissue is not able to color is positive, mostly suggests that the cervix has inflammation or atypical hyperplasia, need to take a pathological biopsy of the cervix in time in the cervix is not coloring, in order to clarify the diagnosis. When women in the cervical examination, need to do colposcopic tincture of iodine test to assist the site of the lesion diagnostic examination, conducive to the early detection of cervical lesions. If the inflammatory changes need to be given anti-inflammatory drug treatment, when the cervix is found to have atypical hyperplasia, early medication or surgical treatment, which can prevent the cervix from further malignant lesions.