The invention discloses a precise positioning system, a precise positioning method, a positioning meal delivery system and a positioning meal delivery method. The precise positioning system comprises a Bluetooth communication device, a positioning device, and a server. The Bluetooth communication device is arranged in a point to be positioned for transmitting identification information to the outside; the identification information corresponds to the position of point to be positioned wherein the Bluetooth communication device is arranged; the positioning device has only one label for receiving identification information transmitted by the Bluetooth communication device and transmitting the identification information with strongest signal intensity and the label of itself to the server; the server is used for storing the position of the point to be positioned where the Bluetooth communication device is arranged and identification information corresponding to the position of the point to be positioned, and is also used for determining the position of the positioning device according to the identification information and the label which are transmitted by the positioning device. The precise positioning system can realize precise positioning.