Abstract: Disclosed is a lever door lock device that has an outside part including a lever, a key cylinder block, a cover, and a spindle, disposed at one side of a retractor, and an inside part including a lever, a cover and a locking unit, disposed at the other side of the retractor, the lever door lock device including: an adjusting screw pipe coupled to one end of the spindle and to the cover; an outside part operation unit having an operation ring, a stop ring, a torsion spring, a small spindle, a fixing frame and an outer spindle support between the outside part and the retractor; and an inside part operation unit for coupling an inner spindle, a large housing, a stop ring, a torsion spring, an operation ring and a small spindle, between the outside part and the retractor.