Fuente: WIPO "tobacco agriculture" The invention discloses a roller air needle adsorption type hole tray seeding device which comprises a fixing frame, a supporting frame, a feeding hopper, a conveying belt and an adsorption seeding mechanism, the fixing frame is a rectangular support, a working platform is arranged on the upper portion of the fixing frame, and the conveying belt is arranged on the upper portion of the working platform; a support frame is arranged at the upper part of the working platform, and an adsorption seeding mechanism is arranged in the middle of the support frame; the adsorption seeding mechanism comprises an adsorption roller, a negative pressure roller, placement grooves, adsorption strips, a second driving motor and an air guide box, the negative pressure roller is movably arranged in the adsorption roller, a plurality of placement grooves are formed in the upper part of the adsorption roller, and the adsorption strips are arranged in the placement grooves; a rotating shaft is arranged in the feeding hopper, a plurality of stirring frames are arranged on the upper portion of the rotating shaft, and a discharging block is arranged at a discharging opening of the feeding hopper. The device is used for solving the problems that the existing roller adsorption type hole tray seeding equipment is complicated in structure and is easy to block in a discharging process.