In order to study various factor affecting durability of recycled aggregate concrete,basic experimental research on the freezing-thawing resistance of recycled aggregate concrete was conducted.100% recycled aggregate instead of natural macadam and sand was used to prepare recycled aggregate concrete with water cement ratio of(0.45),(0.55) as changing factors.The experiment result shows that the freezing-thawing resistance of specimen using 100% recycled aggregate concrete is enhenced compared with the normal concrete whose coarse and fine aggregate's replacement ratio is 0,and the durability factor with water cement ratio of(0.45) and(0.55) decreases by 6% and 10% respectively,both can satisfy the lowest factor for evaluating freezing-thawing resistance.