Abstract: A bell pepper decoring machine includes a cylinder-shaped hollow body including a slit formed in a longitudinal direction on the surface of the body, a serrated edge formed at one end of the body wherein serrated edge includes a plurality of blades, each of which is spaced equally, a core receiver having a receiving plate and a columnar rod connected at its one end to the center of the back side of the receiving plate wherein the core receiver is stored in the body, a height adjuster located in the slit and connected to the core receiver wherein the height adjuster is moved within the slit and wherein the core receiver is also moved in the body in conjunction with the movement of the height adjuster, a supporting plate formed at on the other end of the body, and a cutter connected to the other end of the rod with a connecter.