Pineapple knife

The invention discloses a pineapple knife. The pineapple knife comprises strip-shaped protrusions, a V-shaped knife body, knife points, baffles, a knife edge, a stop block, a handle and a support. The strip-shaped protrusions of the pineapple knife are arranged on the handle, the handle is arranged at the upper left end of the support, and the lower right end of the support is connected with the V-shaped knife body in a welding manner. The baffles are arranged on the two sides of the V-shaped knife, during using, a blade can be stopped so that the blade can be prevented from conducting too deep insertion, and forward pushing is easy. The knife edge is arranged at the left end of the V-shaped knife body, and the other knife point is arranged at the right end of the V-shaped knife body. When a part needs to be removed, the part can be directly turned to the tail knife point to be picked up and removed while other tools are not needed for removal. The stop block is arranged at the bottom of the V-shaped knife, a