Cold-chain transportation freshness-retaining control system

The invention belongs to the technical field of freshness-retaining control, and specifically discloses a cold-chain transportation freshness-retaining control system. The cold-chain transportation freshness-retaining control system comprises a transportation box used for refrigerating and freshness-retaining, wherein the transportation box comprises a box body and a box cover; a supporting tableis mounted on the bottom surface of the box body; a slide slot is formed in the bottom surface of the supporting table; a slide rod is connected inside the slide slot in a sliding mode; the bottom endof the slide rod is connected to a base; a buffer rod is mounted on the side surface of the box body; the buffer rod is composed of a movable rod and a fixed rod; the outer end of the movable rod isconnected to a sucking disc; a refrigerator is mounted inside the box body; and the two ends of the refrigerator are provided with rotary fans. Buffer mechanisms are arranged on the side surfaces andthe bottom surface of the tr