A plastic motor (1'; 11'; 2'; 22'; 3') for a handheld stabilizer, the plastic motor (1'; 11'; 2'; 22'; 3') comprises: a housing comprising a motor shell, the motor shell is of a cylindrical shape with one end open and comprises an annular wall and a bottom plate, reinforcing ribs are provided on the inner side of the bottom plate; a magnetic ring and a plurality of magnetic ring limiting members provided on an inner side of the annular wall, wherein one end of each of the magnetic ring limiting members is fixed to an end of the reinforcing rib and the other end thereof is abutted against the magnetic ring; a motor end cover (1; 31'); motor iron cores; an iron core carrier (5; 126), wherein one end of the iron core carrier (5; 126) is detachably connected to the motor end cover (1; 31') and the other end thereof carries the motor iron cores, and at least one of the iron core carrier (5; 126), the motor shell and the motor end cover (1; 31') is made of plastic material; and an upper bearing and a lower bearing, wherein the upper bearing and the lower bearing are fixed on the iron core carrier (5; 126); characterized in that the plastic motor (1'; 11'; 2'; 22'; 3') further comprises a hollow metal motor shaft (3; 124; 23; 33) with a locking end, wherein one end of the hollow metal motor shaft (3; 124; 23; 33) is fixedly connected to the motor shell and the locking end of the hollow metal motor shaft (3; 124; 23; 33) passes through the upper bearing, the iron core carrier (5; 126) and the lower bearing, the hollow metal motor shaft (3; 124; 23; 33) is arranged on a central axis of the motor shell, and one end of the hollow metal motor shaft (3; 124; 23; 33) is fixedly connected with an inner side of the bottom plate, a lead trough (10; 1220) is provided in an outer side of the bottom plate, and the lead trough (10; 1220) is communicated with the interior of the hollow metal motor shaft (3; 124; 23; 33), leads are provided in the hollow metal motor shaft (3; 124; 23; 33) and the lead trough (10; 1220), a rotary stopper is provided on an outer wall of the annular wall, and a rotary limiting member is provided on the outer edge of the iron core carrier (5; 126), when the housing rotates around the central axis of the motor shell anticlockwise or clockwise, the rotary stopper of the housing is blocked by the rotary limiting member, so that a rotatable angle of the motor shell is slightly smaller than 360° and said leads are prevented from being twisted off due to excessive rotation. a housing comprising a motor shell, the motor shell is of a cylindrical shape with one end open and comprises an annular wall and a bottom plate, reinforcing ribs are provided on the inner side of the bottom plate; a magnetic ring and a plurality of magnetic ring limiting members provided on an inner side of the annular wall, wherein one end of each of the magnetic ring limiting members is fixed to an end of the reinforcing rib and the other end thereof is abutted against the magnetic ring; a motor end cover (1; 31'); motor iron cores; an iron core carrier (5; 126), wherein one end of the iron core carrier (5; 126) is detachably connected to the motor end cover (1; 31') and the other end thereof carries the motor iron cores, and at least one of the iron core carrier (5; 126), the motor shell and the motor end cover (1; 31') is made of plastic material; and an upper bearing and a lower bearing, wherein the upper bearing and the lower bearing are fixed on the iron core carrier (5; 126); characterized in that the plastic motor (1'; 11'; 2'; 22'; 3') further comprises a hollow metal motor shaft (3; 124; 23; 33) with a locking end, wherein one end of the hollow metal motor shaft (3; 124; 23; 33) is fixedly connected to the motor shell and the locking end of the hollow metal motor shaft (3; 124; 23; 33) passes through the upper bearing, the iron core carrier (5; 126) and the lower bearing, the hollow metal motor shaft (3; 124; 23; 33) is arranged on a central axis of the motor shell, and one end of the hollow metal motor shaft (3; 124; 23; 33) is fixedly connected with an inner side of the bottom plate, a lead trough (10; 1220) is provided in an outer side of the bottom plate, and the lead trough (10; 1220) is communicated with the interior of the hollow metal motor shaft (3; 124; 23; 33), leads are provided in the hollow metal motor shaft (3; 124; 23; 33) and the lead trough (10; 1220), a rotary stopper is provided on an outer wall of the annular wall, and a rotary limiting member is provided on the outer edge of the iron core carrier (5; 126), when the housing rotates around the central axis of the motor shell anticlockwise or clockwise, the rotary stopper of the housing is blocked by the rotary limiting member, so that a rotatable angle of the motor shell is slightly smaller than 360° and said leads are prevented from being twisted off due to excessive rotation.