Disclosed is an electro-mechanical brake device, including: a disk; a pair of brake pads respectively disposed at both sides of the disk; a caliper respectively disposed inside the pair of brake pads; a brake module portion disposed at one side of the caliper; and a parking brake portion that is disposed to be perpendicular to a motor shaft of the brake module portion and is connected to a parking brake switch that is operated by a driver, and selectively controls a rotation of the motor shaft depending on the operation of the parking brake switch.