As one of the main treatments for antitumor ,radiation therapy often combined with surgery or chemotherapy to improved the cure rate and survival quali-ty of cancer patients,however,significantly inhibited immune function of patients as it’s side effects.Photodynamic therapy combined with radiation therapy,which can no only overcame their own defects in clinical application but also the synergistic effect of them can significantly improved the efficacy and greatly reduced the incidence of side effects,is an effective comprehensive treatment of antitumor .