Portable glass cutting device for decoration

The invention belongs to the technical field of decoration tools, and particularly relates to a portable glass cutting device for decoration. The portable glass cutting device comprises a rotary bearing platform and a fixing plate, wherein the fixing plate is arranged on the rotary bearing platform; one end of the fixing plate is rotatablely connected with the rotary bearing platform; the upper surface of the fixing plate is provided with two guide rails; a slide block is arranged between the two guide rails; the slide block is provided with a cutting knife; a cutting gap is formed between thetwo guide rails; the width of the cutting gap is enabled to allow a knife edge of the cutting knife to stretch out from the cutting gap to cut glass; a protection pad layer is arranged below the fixing plate. The portable glass cutting device for the decoration, which is provided by the invention, is scientific and reasonable in design and simple and convenient to use; the planning of a cutting route is carried out on th