A floating disc brake comprising: a support, fixed to a vehicle body in a vicinity of a rotor rotating together with wheels; a pair of pads (9a, 9b), arranged at both axial sides of the rotor, moveably guided in an axial direction of the rotor by the support, and having a lining (14a, 14b) provided on a surface of a pressure plate (10a, 10b), respectively; a caliper, configured to be axially displaced in the axial direction of the rotor in a state where the caliper is supported to the support; a pad clip (15, 15a - 15h), provided between the respective pads (9a, 9b) and the support, and configured to prevent the respective pad (9a, 9b) from moving with respect to the support; and a return spring (16, 16a - 16e), pressing the pads (9a, 9b) toward a direction getting away from the rotor, characterized in that at a state before the pad (9a, 9b) is mounted, a part of the pad clip (15, 15a - 15h) is provided with a constraining section (24, 24a - 24c) receiving an elastic urging force of the return spring to support the return spring so as to mount the return spring (16, 16a - 16e) to the pad clip (15, 15a - 15h), wherein the pad clip (15, 15a - 15h) is arranged between the support and the pressure plate (10a, 10b) configuring the pad (9a, 9b) and has a leg section (22, 22a - 22d) having the constraining section (24, 24a - 24c) provided at a part thereof, wherein the return spring (16, 16a - 16e) is formed by bending a wire rod and includes an abutting section (31, 31a, 31b) abutted to the constraining section (24, 24a - 24c) by an elastic restoring force thereof, an extension arm section (32, 32a - 32c) extending toward a side of the rotor, a returning section (33, 33a - 33c) provided at a rotor-side end portion of the extension arm section (32, 32a - 32c), an engaging section (29, 29a, 46, 46a) engaged to a part of the pad clip and receiving a reactive force due to pressing of the returning section (33, 33a - 33c) to the pad, and a coil section provided between the returning section (33, 33a - 33c) and the engaging section (29, 29a, 46, 46a) and having a central axis substantially oriented in a rotational direction of the rotor, and wherein the returning section (33, 33a - 33c) contacts a surface of a part of a circumferential end portion of the pressure plate (10a, 10b), the part protruding in a circumferential direction more than a circumferential end edge of the lining (14a, 14b), and the surface facing a side surface of the rotor. a support, fixed to a vehicle body in a vicinity of a rotor rotating together with wheels; a pair of pads (9a, 9b), arranged at both axial sides of the rotor, moveably guided in an axial direction of the rotor by the support, and having a lining (14a, 14b) provided on a surface of a pressure plate (10a, 10b), respectively; a caliper, configured to be axially displaced in the axial direction of the rotor in a state where the caliper is supported to the support; a pad clip (15, 15a - 15h), provided between the respective pads (9a, 9b) and the support, and configured to prevent the respective pad (9a, 9b) from moving with respect to the support; and a return spring (16, 16a - 16e), pressing the pads (9a, 9b) toward a direction getting away from the rotor, characterized in that at a state before the pad (9a, 9b) is mounted, a part of the pad clip (15, 15a - 15h) is provided with a constraining section (24, 24a - 24c) receiving an elastic urging force of the return spring to support the return spring so as to mount the return spring (16, 16a - 16e) to the pad clip (15, 15a - 15h), wherein the pad clip (15, 15a - 15h) is arranged between the support and the pressure plate (10a, 10b) configuring the pad (9a, 9b) and has a leg section (22, 22a - 22d) having the constraining section (24, 24a - 24c) provided at a part thereof, wherein the return spring (16, 16a - 16e) is formed by bending a wire rod and includes an abutting section (31, 31a, 31b) abutted to the constraining section (24, 24a - 24c) by an elastic restoring force thereof, an extension arm section (32, 32a - 32c) extending toward a side of the rotor, a returning section (33, 33a - 33c) provided at a rotor-side end portion of the extension arm section (32, 32a - 32c), an engaging section (29, 29a, 46, 46a) engaged to a part of the pad clip and receiving a reactive force due to pressing of the returning section (33, 33a - 33c) to the pad, and a coil section provided between the returning section (33, 33a - 33c) and the engaging section (29, 29a, 46, 46a) and having a central axis substantially oriented in a rotational direction of the rotor, and wherein the returning section (33, 33a - 33c) contacts a surface of a part of a circumferential end portion of the pressure plate (10a, 10b), the part protruding in a circumferential direction more than a circumferential end edge of the lining (14a, 14b), and the surface facing a side surface of the rotor.