The invention discloses a portable medical storage box, which comprises a base. A connecting rod is arranged inside the base. Both sides of the bottom of the connecting rod are movably connected with rollers through a bracket. Both sides of the connecting rod are connected to the base. The two sides of the inner wall are slidingly connected, the top of the base is fixedly installed with a working box, the left side of the working box is fixedly connected with a box body, the front surface of the box body is provided with an entrance, and the front surface of the box body and the position corresponding to the entrance and exit pass through the joint. A dodge door is installed on the door, the right side of the front surface of the dodge door is fixedly connected with a handle, and the left side of the bottom of the box body is fixedly equipped with a mounting rod. In the present invention, a motor, a through hole, a threaded rod, a threaded sleeve, a sliding rod, a lifting rod, a connecting seat 1, a connecting rod 1, a connecting rod 2, a connecting rod 3, a connecting rod 4, a connecting seat 2, a moving rod and a moving The cooperation of the blocks has reached the effect that the moving block can be lowered to drive the rollers to stretch out, so that the placement box can move.