Objective To evaluate the safety,feasibility of long-term temozolomide chemotherapy(TMZ>6 cycles) on highgrade glioma patients.Methods Ninety-three high-grade glioma patients in Chinese PLA General Hospital from 2008 to 2015 were divided into TMZ>6 cycles group and TMZ 6 cycles group.There were no significant differences in age,gender,pathological grade,surgical method between two groups(P >0.05).The differences between two groups in progression free survival(PFS) and overall survival(OS) were evaluated,and...