The invention discloses a burning device for chip processing, and belongs to the field of chip burning. The burning device for chip processing comprises a box body, a partition plate is arranged in the box body, a driving part is arranged at the top of the partition plate, a screw rod is connected to the output end of the driving part, burning assemblies are arranged below the partition plate, threaded sleeves are fixedly connected to the tops of the burning assemblies, and the threaded sleeves are in threaded connection with the screw rod; burning needles are arranged at the output ends of the burning assemblies, the burning needles are connected with the bottom wall of the box body in a sliding mode, and the multiple sets of burning assemblies are distributed in the box body at equal intervals; wherein the burning needles are connected with a pressing mechanism used for fixing a chip, the pressing mechanism comprises a fixing plate, a connecting rod and a cylinder body, the fixing plate is fixedly connected to the burning needles, the connecting rod is fixedly connected to the fixing plate, the positions of the connecting rod and the cylinder body can be changed, and an ash removal structure is arranged in the cylinder body; according to the invention, the groups of burning needles can be stretched out and drawn back, a chip is fixed when the burning needles are in contact with chip contacts, and a chip can be cleaned at the same time.