The utility model discloses a solar energy refrigerator with system of unfreezeing rapidly, including the casing, by being equipped with freezer and walk -in on going in the casing, the walk -in top is equipped with the room that unfreezes, and the room lower part that unfreezes is equipped with the baffle, is equipped with the hot water coil pipe on the baffle, and hot water coil pipe top is equipped with the drainage board of placing food, and the hot water coil pipe is connected with solar collector. The utility model discloses be equipped with the hot water coil pipe in the room that unfreezes, carry out heat exchange the unfreezeing fast of indoor food of realizing unfreezeing through the hot water among hot water coil pipe and the solar collector, can adjust the different temperature of unfreezeing through controller panel, can realize that the constant temperature of food unfreezes simultaneously, its simple structure, convenient operation, it is fast to unfreeze, has increased the function of unfreezeing of refrigerator, has guaranteed the quality of food, has improved resident's life of not incorporating the supply network as yet in from far -off regions.