A non-contact type torque and angle of rotation sensing device for measuring a torque being applied to rotate a transmission member and the angle of rotation of said transmission member in a first axial direction, the non-contact type torque and angle of rotation sensing device comprising: a magnetic member mounted on said transmission member and rotatable with said transmission member by the torque being applied to said transmission member, said magnetic member comprising a first center, said magnetic member being deflectable relative to said transmission member in a predetermined direction in a nonparallel manner relative to said first axial direction to create an amount of deflection between said first center of said magnetic member and said first axial direction of said transmission member during rotation of said transmission member by the applied torque; a plurality of sensing members adapted to commonly detect a magnetic field variation created and to output a respective electrical signal during rotation of said magnetic member, the electrical signals outputted by each two said sensing members indicating a phase difference, the amplitude of each said electrical signal being directly proportional to the amount of deflection of said magnetic member; and a computing unit adapted to receive the electrical signals outputted by said sensing members and to compute the amplitudes of said electrical signals, thereby obtaining the value of the torque being applied to said transmission member and the angle of rotation of said transmission member; characterized in that said transmission member comprises a disc-like holder block, said disc-like holder block comprising an elongated guide portion; said magnetic member comprises a coupling groove accommodating said elongated guide portion, said coupling groove having a width greater than the length of said elongated guide portion; sand in that the sensing device further comprises a driving member mounted on said transmission member and at least one flexible connection rod connecting said driving member to said disc-like holder block, said driving member comprising a push portion detachably abutted against said magnetic member. a magnetic member mounted on said transmission member and rotatable with said transmission member by the torque being applied to said transmission member, said magnetic member comprising a first center, said magnetic member being deflectable relative to said transmission member in a predetermined direction in a nonparallel manner relative to said first axial direction to create an amount of deflection between said first center of said magnetic member and said first axial direction of said transmission member during rotation of said transmission member by the applied torque; a plurality of sensing members adapted to commonly detect a magnetic field variation created and to output a respective electrical signal during rotation of said magnetic member, the electrical signals outputted by each two said sensing members indicating a phase difference, the amplitude of each said electrical signal being directly proportional to the amount of deflection of said magnetic member; and a computing unit adapted to receive the electrical signals outputted by said sensing members and to compute the amplitudes of said electrical signals, thereby obtaining the value of the torque being applied to said transmission member and the angle of rotation of said transmission member; characterized in that said transmission member comprises a disc-like holder block, said disc-like holder block comprising an elongated guide portion; said magnetic member comprises a coupling groove accommodating said elongated guide portion, said coupling groove having a width greater than the length of said elongated guide portion; sand in that the sensing device further comprises a driving member mounted on said transmission member and at least one flexible connection rod connecting said driving member to said disc-like holder block, said driving member comprising a push portion detachably abutted against said magnetic member.