The invention provides a route planning device. The device comprises an information acquisition module, a road segment recognition module, an experience route extraction module, an experience route storage module, a route repairing module, a route verifying module and a route planning module, wherein the information acquisition module is used for acquiring floating car information periodically, each piece of floating car information comprises the logo, position, acquisition time and manned state information of a floating car, and the manned state information can be manned information or unmanned information; the road segment recognition module determines the road segment where the floating car is located according to the position in each piece of floating car information and correlates the determined road segment with each piece of floating car information; the experience route extraction module determines an experience route according to acquired information, and the experience route storage module stores the experience route in an experience route library; the route repairing module is used for repairing two discontinuous road segments in the experience route to enable all the road segments in the experience route to be continuous; the route verifying module is used for deleting repeated road segments, invalid road segments and encircling road segments in the experience route; the route planning module is used for planning the route for a user according to the experience route library.