To provide a train braking device including a controller that controls a brake cylinder pressure acting on a brake cylinder based on a service brake command or an emergency brake command, the train braking device includes a supply valve for supplying compressed air to the brake cylinder and an exhaust valve for adjusting a pressure of the supplied compressed air. The controller includes an electromagnetic-valve drive circuit, which includes a first switch circuit that a first switch for slide control is connected in parallel to ends of a serially connected circuit of a first switch for emergency brake and a first switch for service brake control with its one end being connected to a circuit power supply and the other end being connected to the supply valve, and a second switch circuit that a second switch for slide control is connected in parallel to ends of a serially connected circuit of a second switch for emergency brake and a second switch for service brake control with its one end being connected to the first switch circuit and the other end being connected to the exhaust valve.