Stitching instrument simple to operate

The invention discloses a stitching instrument simple to operate. The stitching instrument comprises a shell, a stitching component and a transmission mechanism, wherein the stitching component is connected to the transmission mechanism; the stitching component comprises a straight needle and a pushing needle; the transmission mechanism comprises a trigger, a gear rack A, a front sliding block, a rear sliding block, a spring, a latch and a baffle block; the latch is fastened on the rear sliding block; a grab is arranged on the rear sliding block; an opening is arranged on the front sliding block; the opening is matched with the grab; a gear rack B is arranged at the bottom of the front sliding block; a gear rack C is arranged at the bottom of the rear sliding block; the gear rack A, the gear rack B and the gear rack C are meshed with a gear; the trigger is connected to the gear rack A; the baffle block is fixedly connected to one end of the spring; a convex end is arranged on the front sliding block; the convex end is inserted into the other end of the spring; the front sliding block is connected to the straight needle; and the rear sliding block is connected to the pushing needle. The stitching instrument disclosed by the invention is simple in structure and convenient to assemble; and the stitching instrument is low in manufacturing cost, quite convenient to assemble, and is capable of reducing risks during an operation.