The utility model discloses a bionic pineapple picking machine. The device comprises a rack, a walking module, a picking module and a storage module, the walking module is used for providing a walkingfunction; the rack is installed on the walking module. the picking module comprises a mechanical claw adjusting device and a picking mechanical claw; the mechanical claw adjusting device comprises alifting platform, a lifting device, a horizontal moving platform, a horizontal moving device and a rotating device. The lifting platform is installed on the rack through a lifting device. The liftingplatform is driven by the lifting device to move up and down in the vertical direction. The horizontal moving platform is installed on the lifting platform through the horizontal moving device, the horizontal moving platform is driven by the horizontal moving device to horizontally move on the lifting platform in the front-back direction, the picking mechanical claw is installed on the horizontalmoving platform through the rotating device, and the rotating device enables the picking mechanical claw to rotate and break off after clamping pineapples. The pineapple picking device can effectivelypick pineapples, stably operate in a pineapple field and store a small amount of pineapples, and the working efficiency is greatly improved.