Colposcopy combined with cervical biopsy is an effective method in diagnosis of cervical diseases, which can be used in helping early diagnosis of cervical cancer.

• 结论阴道镜可发现宫颈微小病灶，结合宫颈活检是诊断宫颈病变的有效手段，适用于宫颈癌前病变的早期诊断。