The invention discloses a wood cutting machining line. The wood cutting machining line includes a feeding device, a delivering device and a cutting device which are arranged in sequence, wherein the feeding device includes a feeding base plate, feeding vertical columns, a feeding lifting plate and a feeding assembly, the feeding vertical columns are arranged at the corners of the feeding base plate, the feeding lifting plate is slidably matched with the vertical columns, the feeding lifting plate is provided with a feeding lifting motor, and the feeding assembly is arranged on the feeding lifting plate; the delivering device includes a delivering base and a lifting delivering platform, the delivering base is provided with a guiding supporting column and a delivering lifting cylinder, and the lifting delivering platform is provided with a conveyor belt mechanism; and the cutting device comprises a rack, and a cutting mechanism and a dust removing mechanism are arranged on the rack. According to the wood cutting machining line, the functions of automatic wood feeding, delivering, cutting and sawing and dust removing are realized, manual intervention is not required in the machining process, the labor intensity is lowered, the machining time is shortened, the production efficiency is improved, automatic machining of a machine is achieved, the accuracy is ensured, and the quality of products is improved.