To solve the frost damage problems of road embankment caused by moisture accumulation in subgrade in seasonal frozen soil area, drainage and freeze-thaw tests were carried out on kaolinite soil samples dealt with the quasi wicking fabric. It’s aimed to study the drainage performance of quasi wicking fabric and its control effect on frost heaving of soils. The test results indicate that the quasi wicking fabric can discharge water from unsaturated soil and reduce the moisture content of soil sample by 20%~30%. The drainage effect of the condition that the soil sample is laterally wrapped by wicking materials is better than that of placing the material in the sample. As the initial water content of the sample increases, the drainage performance of the quasi wicking fabric also becomes more effective. In the freeze-thaw test, frost heave and thaw settlement increases with the increasing initial water content of the soil sample. The quasi wicking fabric can effectively reduce the volume change of the soil sample during freeze-thaw process by 5%~15%, which thereby can inhibit the frost damage of the soil.