The utility model relates to a slide block type holder for a deepwater information obtaining and wirelessly transmitting device. The holder is characterized by comprising a support, an auxiliary pedestal and more than one band; the support comprises a rectangular male head of a slide block, more than four connecting rods and a cylindrical instrument chamber, a water-resisting pipe fatigue monitor is placed in the cylindrical instrument chamber, and the male head of the slide block is fixedly connected and integrated with the cylindrical instrument chamber via the connecting rods. The auxiliary pedestal employs a rectangular connecting block; the outer end portion of the connecting block is provided with a female head of the slide block, and the male head is inserted into the female head in a sliding manner; the inner end portion of the connecting block is provided with a recessed cambered surface which adapts to the radian of the water resisting pipe; and the two side surfaces of the connecting block are provided with screw holes for fixing the band. The holder can be widely applied to the process of clamping the deepwater-resisting fatigue monitor.