The development of photodynamic therapy are summarized.The mechanism of study on photodynamic therapy are introduced,and the future orientation of study and application prospect are discussed.

• 综述了光动力疗法治疗肿瘤研究的发展过程,着重介绍了光动力治疗肿瘤的作用机制,并论述了今后的研究及发展方向。