Novel super-energy-gathered laser scalpel

The invention discloses a novel super-energy-gathered laser scalpel. The scalpel comprises an outer shell, a laser tool bit, a water-cooling and air-cooling sleeve, a cooling positioning device, a composite mirror body assembly and a smoke exhaust assembly, wherein the laser tool bit is detachably mounted at the front end of the cylindrical outer shell; the water-cooling and air-cooling sleeve comprises a water-cooling sleeve and an air-cooling sleeve which are matched and clamped; the water-cooling sleeve and the air-cooling sleeve are both arranged in a hollow accommodating cavity of the outer shell; the front end of the cooling positioning device is sleeved in the water-cooling sleeve, the middle section of the cooling positioning device is sleeved in the air-cooling sleeve, and the rear section of the cooling positioning device is wrapped by a bunching sleeve; the composite mirror body assembly comprises a biconvex lens and a plano-convex lens which are respectively clamped in theair-cooling sleeve in par