An emergency guiding system includes an emergency guiding server, a portable device, and short distance wireless identifiers. The emergency guiding server includes a guiding scheme determination unit producing a guiding scheme in response to an emergency and a route providing unit producing a recommended route according to the last guiding scheme and a location signal in response to the production of the guiding scheme. The short distance wireless identifiers detect the presence of the portable device through a short distance wireless communication unit of the portable device, thereby transmitting the corresponding location signal to the emergency guiding server. The emergency guiding server transmits a guiding signal to the portable device according to the location signal, wherein the guiding signal includes a portion of a recommended route adjacent to the portable device to reach a particular target. The disclosure further provides an emergency guiding server.