Map, positioning device, positioning system and positioning method thereof

[0030] see figure 1 , which is a block diagram of the positioning system of the present invention. In the figure, the positioning system 1 includes a map 10 and a positioning device 11 . The positioning device 11 is electrically connected to an image capture unit 110, a satellite positioning unit 111, and a projection unit 113 with a control unit 112, wherein the control unit 112 further includes an identification module 1121 and a decoding module 1122; Each non-overlapping two-dimensional barcode 101 and several positioning points 102, the two-dimensional barcode 101 records the map information of the map 10, wherein the map information includes an image size, the information of each positioning point 102, and the position of each point on the map 10 A longitude value, a latitude value and the range of the longitude / latitude value included in the map 10 , wherein the information of each positioning point 102 includes a longitude value and a latitude value. When the user want