The invention discloses a fixed cloth cutting device. The fixed cloth cutting device comprises a bin body, baffles, a fixed bin and a cutting mechanism, wherein the middle position of the bin body ishollowed out, the baffles are arranged on the two sides of the bin body, sliding chutes are arranged on the inner sides of the baffles, a ruler is arranged on the baffle on the other side of the bin body, the cutting mechanism is arranged at the left end of the bin body, a work light is arranged at on end of the top of the cutting mechanism, and a control panel is arranged on one side of the cutting mechanism; the bin body comprises a first rotating shaft, a base, a first motor, a first bevel gear, a second bevel gear, a first chain wheel, a chain, a clamping pin, a second chain wheel, a second rotating shaft, a first gear, a swing rod, a first connecting rod, a fixed rod, a rotating wheel, a second connecting rod and a second gear; and the first motor is installed on the base. No cuttingwinkle occurs, and the fixed cloth cutting device reduces manpower, improves the work efficiency and also improves the cutting quality.