An integrated joint module of an industrial robot arm, wherein the integrated joint module comprises: a housing, comprising a first housing and a second housing connected with the first housing, an annular supporting platform being arranged on an inner side of the first housing; a driving assembly, comprising: an output shaft; a stator, embedded in the annular supporting platform; a rotor, connected with the output shaft and arranged on an inner side of the stator; a speed reduction assembly, connected with one end of the output shaft; a braking assembly, connected with the other end of the output shaft; and an encoding assembly, arranged on a side of the braking assembly away from the driving assembly and connected with the output shaft, the second housing covering the encoding assembly; wherein the driving assembly further comprises: an upper bearing seat, connected with one side of the annular supporting platform in an axial direction of the output shaft, the braking assembly being fixed on the upper bearing seat; an upper bearing, embedded in the upper bearing seat; a lower bearing seat, connected with the other side of the annular supporting platform in the axial direction of the output shaft; and a lower bearing, embedded in the lower bearing seat, the upper bearing and the lower bearing being sleeved on the output shaft and respectively arranged on two sides of the rotor in the axial direction of the output shaft, and both the speed reduction assembly and the lower bearing seat being fixed on the annular supporting platform by a first fastener; characterized in that, the integrated joint module further comprises: a first elastic member, wherein the braking assembly presses the first elastic member on an outer ring of the upper bearing. a housing, comprising a first housing and a second housing connected with the first housing, an annular supporting platform being arranged on an inner side of the first housing; a driving assembly, comprising: an output shaft; a stator, embedded in the annular supporting platform; a rotor, connected with the output shaft and arranged on an inner side of the stator; an output shaft; a stator, embedded in the annular supporting platform; a rotor, connected with the output shaft and arranged on an inner side of the stator; a speed reduction assembly, connected with one end of the output shaft; a braking assembly, connected with the other end of the output shaft; and an encoding assembly, arranged on a side of the braking assembly away from the driving assembly and connected with the output shaft, the second housing covering the encoding assembly; wherein the driving assembly further comprises: an upper bearing seat, connected with one side of the annular supporting platform in an axial direction of the output shaft, the braking assembly being fixed on the upper bearing seat; an upper bearing, embedded in the upper bearing seat; a lower bearing seat, connected with the other side of the annular supporting platform in the axial direction of the output shaft; and a lower bearing, embedded in the lower bearing seat, the upper bearing and the lower bearing being sleeved on the output shaft and respectively arranged on two sides of the rotor in the axial direction of the output shaft, and both the speed reduction assembly and the lower bearing seat being fixed on the annular supporting platform by a first fastener; characterized in that, the integrated joint module further comprises: a first elastic member, wherein the braking assembly presses the first elastic member on an outer ring of the upper bearing. an upper bearing seat, connected with one side of the annular supporting platform in an axial direction of the output shaft, the braking assembly being fixed on the upper bearing seat; an upper bearing, embedded in the upper bearing seat; a lower bearing seat, connected with the other side of the annular supporting platform in the axial direction of the output shaft; and a lower bearing, embedded in the lower bearing seat, the upper bearing and the lower bearing being sleeved on the output shaft and respectively arranged on two sides of the rotor in the axial direction of the output shaft, and both the speed reduction assembly and the lower bearing seat being fixed on the annular supporting platform by a first fastener; characterized in that, the integrated joint module further comprises: a first elastic member, wherein the braking assembly presses the first elastic member on an outer ring of the upper bearing.