The invention relates to the technical field of power, more particularly, the internet-of-things electric cabinet is a special internet-of-things electric cabinet for a refrigeration house. The box comprises a box body, support legs, a mounting plate and a box door, supporting legs are fixedly connected to the bottom of the box body. The mounting plate is mounted in the box body; a bidirectional screw rod is mounted in the box body; the bidirectional screw rod penetrates through the mounting plate; the bidirectional screw rod is in threaded connection with the mounting plate; anti-collision plates are respectively arranged on the left side and the right side of the box body; sleeves are respectively mounted on the left side wall and the right side wall of the box body; a guide rod is mounted in the sleeve; the guide rod is slidably connected with the sleeve; the extending ends of the guide rods are connected with the anti-collision plate; springs are distributed on the anti-collision plates, the distance between the two installation plates can be conveniently adjusted by rotating the rotary disc so as to meet the installation requirements of electronic elements of different sizes,the sealing ring is used for achieving the sealing effect, dust is prevented from entering the box body, the sealing effect is good, and the device can be conveniently moved by arranging universal wheels capable of ascending and descending.