PURPOSE: A smart phone case is provided to mount a smart phone in a vehicle through the smart phone case and to protect the smart phone. CONSTITUTION: A smart phone case comprises a plurality of supports(130) which are hinge coupled with the back(120) to support a smart phone at a designated angle. The supports are alternately arranged around vertical and horizontal borders and are folded at an angle of 90 degrees. The smart phone can be mounted by inserting the blowhole wing of a vehicle between the supports.
