The utility model discloses a book automatic control lifting mechanism for self -service this equipment of sending out, the layer board that sets up this word bank through vertical jacking unit mount on the support frame, the feedback control unit and the self -service book position sensor who sends out this equipment of jacking subassembly pass through signal connection, granting action according to the book compresses tightly this word bank from bottom to top, the book at this word bank top constructs with cash dispenser hugs closely the contact, self -adaptation book granting device begins to provide from the book at this word bank top, the book of this word bank top layer is in the granting state of treating, signal control unit applies the brake the jacking subassembly, after having provided a book, the signal control unit of jacking subassembly control jacking subassembly is with the make progress thickness of a book of lifting of this word bank. The utility model discloses a jacking subassembly that lasts upwards effect carries out the lifting to this word bank, effectively combines with the granting process, has realized automatic lifting, the granting of book, has effectively improved the granting efficiency and the accuracy of book.