Abstract: From May treated by 1988 to August 1988, thirty-seven patients a-interferon (IFN)and. radiother with mailgnant tumor The` fe'sults suggested, ofpatients with evaluable tumor, the propor.tin.n ap y, rate complete and partial responses patients was 95,remission consitie.n for some a betterhanweezpeeted.seen malignant patients in the growing of metastatic tumor that treated by IFN, the fever,weariness and weak etc,major complications of TFN.