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光动力疗法是一种联合应用光敏剂及光源选择性破坏病变组织的治疗技术，由于其低毒性、高选择性、微创及可以重复治疗等特点目前在临床上已得到了广泛的应用与研究。近年来对于日光性角化病这一癌前病变的光动力治疗技术也日趋成熟。本文将光动力技术对日光性角化病的治疗进展进行综述。“,”Photodynamic therapy is a combinative treatment technology of photosensitizer and light which can destroy diseased tissue selectively. This therapy is more and more widely used in clinic because of its low toxicity and high selectivity and minimally invasive and repeatable treatment. In recent years, the technology of photodynamic therapy for actinic keratoses which is recognized as the precancerous lesions is becoming mature.The article reviews the progress of photodynamic treatment in actinic keratoses.