Abstract: A lever handle structure includes a fixed disk defining an axial hole and having a first side provided with a positioning. catch piece, a driving axial tube rotatably mounted in the axial hole of the fixed disk and having a first end defining a guide slot and an annular groove, a lever handle secured on the driving axial tube for rotating it, a positioning catch ring having an inner wall provided with two lock blocks each secured in the guide slot of the driving axial tube and an outer wall defining an arcuate limit recess receiving the positioning catch piece and having two distal ends each formed with a stop wall for limiting rotation of the driving axial tube, an elastic member secured on the driving axial tube and rested on the positioning catch ring, an actuating ring secured on the driving axial tube and rested on the elastic member, and a positioning member secured in the annular groove of the driving axial tube for preventing detachment of the actuating ring.