A ground freeze testing device is provided to easily perform an expansion test by making the supply and dissolve of the moisture and cool air facilitate. A ground freeze testing device comprises a main body(10), a measurement unit(30), a moisture feeding unit(40) and a cool air feeding unit. The main body has a plurality of guide support bars(31). The measurement unit is installed at the main body. The measurement unit has a support unit(36) and a presser(34). A sample load stock(60) is mounted on the support unit. The presser is escalated by an elevating cylinder(32). The moisture feeding unit supplies the water to the inside of the sample load stock.
