The present invention discloses a cold distillation box for a softening of dry solid food and belongs to the field of kitchen utensils. The cold distillation box is good in an effect of softening the dry solid food and does not consume thermal energy. The cold distillation box comprises a rectangular box body. A water filling box with a water filling hole is arranged on an upper layer of the box body and a softening box with a box door is arranged at a lower layer of the box body; and an interlayer processed with densely distributed leaking holes in rows is located between the upper layer and lower layer of the box body, a diameter of the leaking holes is 1.2 mm, lightweight sponges processed into a pencil head shape are stuffed in the leaking holes, clamping slices with clamping mouths facing downwards are arranged on a lower surface of the interlayer between the leaking holes in rows, and a water collection cabin is arranged on a bottom surface of the softening box. A design of the cold distillation box is suitable to be used in kitchen occasions.