A portable barbecue box includes a cooking chamber, a heating tube a plurality of sticks, a mechanical compartment and a motor. The heating tube is disposed inside the cooking chamber. A plurality of slots are provided on one side of the chamber so as to hold the sticks in place. The motor, disposed in the compartment, may be turned on so that the sticks with food on may be rotated around. The output axle of the motor is connected with a set of cogwheels, which includes a plurality of cogwheels. The cogwheels may mesh with each other or a transmission wheel may be provided between each pair of the cogwheels. A positioning piece is provided on each cogwheel, and a positioning hole is centrally provided on each positioning piece. Whence, the proximal end and distal end of each stick may be positioned in a slot and a positioning hole, respectively.