The invention discloses a short pitch film cutting machine. The short pitch film cutting machine comprises a material conveying box; a material conveying roll is arranged on the left side of an innercavity of the material conveying box; material guide rolls are symmetrically arranged on the left side and the right side of the top of the inner cavity of the material conveying box; an adjustment and material guide pair roll is arranged at the right side wall of the inner cavity of the material conveying box; an electric telescopic rod is arranged at the right side wall of the inner cavity of the material conveying box; a discharge port is formed at the bottom of the right side wall of the material conveying box; a parallel material guide pair roll is arranged at an inner cavity of the discharge port; a supporting frame is arranged at the top of the right side wall of the material conveying box; a pneumatic telescopic rod is arranged at the bottom of the supporting frame; a cutting knifeis arranged at the bottom of the pneumatic telescopic rod; a supporting base is arranged at the bottom of the right side wall of the material conveying box; a cutting table and a sliding rail are arranged at the top of the supporting base; the top of the sliding rail is connected with an electric sliding block in a sliding manner; and a film fixing mechanism is arranged at the top of the electricsliding block. The short pitch film cutting machine is reasonable in structural design, the probability of folding during film cutting can be reduced, an error during cutting is lowered, and adjustments can be made according to the requirement on the cut length.