A medical suture needle device comprises a turnplate, a suture needle, a base plate and a cylinder, wherein the turnplate is arranged on the left side of the base plate, a rotary shaft is arranged on the circle center of the turnplate, and the cylinder is arranged on the right side of the base plate; the suture needle is arched, first toothed structures are evenly arranged on the outer side of the arched structure and face the direction opposite to a needle point, second toothed structures are arranged on the edge of the turnplate, and the first toothed structures are meshed with the second toothed structures; the suture needle is clamped by the cylinder and the turnplate, and the suture needle is driven to rotate through the rotation of the turnplate. By the adoption of the medical suture needle device, the problem that a needle can not be clamped by a needle holder easily can be solved, the defects of the needle holder are overcome, and an incision can be sutured easily and effectively.