The utility model discloses a high -speed embroidery machine head hold -in range cam drive mechanism of intelligence, including aircraft nose shell, drive shaft, action wheel, from driving wheel, hold -in range, clutch, drive eccentric wheel, eccentric pendulum rod, driven pendulum rod and drive vertical axis, the drive vertical axis sets up perpendicularly on the aircraft nose shell, the action wheel setting in the drive shaft, from the driving wheel setting on the input shaft of clutch, the setting of drive eccentric wheel is on the output shaft of clutch, the one end of eccentric pendulum rod hinges on the drive eccentric wheel, the other end passes through driven pendulum rod and drives the needle bar, the utility model discloses structural design is ingenious, adopts soft hold -in range mode to connect to the position of reasonable distribution drive eccentric wheel, eccentric pendulum rod and driven pendulum rod, thus it reduces to drive the eccentric wheel diameter greatly and has reduced the centrifugal force and the inertia that produce in high -speed operation to make the motion of eccentric pendulum rod overdrive the eccentric wheel central point, not only reduces the frequency of shoc of machine, and noise reduction, but also effective increase of service life improve the work efficiency of thorn embroidery machine tool.