The type 3 transformation zone is defined as the partial or complete invisibility of the squamocolumnar junction area on colposcopy. The cervix needs to be reviewed periodically after Liparoscopic cervical conization to see if the cervical lesion has progressed, usually under colposcopic observation.Type 3 transformation zone is a description of the colposcopic findings, which is defined as partial or complete invisibility of the squamous-columnar junction. The transformation zone type is a description of the adequacy or inadequacy of the cervical examination and does not determine its benign or malignant nature. For example, as women age, the cervical transformation zone of type 3 in postmenopausal women is a physiologic change. HPV (human papillomavirus) testing, cervical cytology, etc. are needed to further characterize the lesions. It is recommended to consult a doctor if necessary to standardize the diagnosis and treatment.