A method of tele-transmitting information of a medical device, comprising: detecting and collecting therapy and/or status information of the medical device; transforming the collected therapy and/or status information of the medical device to a plurality of barcodes; outputting (310,410) the barcodes via an output device of the medical device; and tele-transmitting the outputted barcodes to a hospital or a third party; wherein transforming the collected therapy and/or status information of the medical device to the barcodes comprises: dividing the collected therapy and/or status information to more than two information units; and transforming the more than two information units to the barcodes, wherein outputting the barcodes via an output device of the medical device comprises: displaying the barcodes in groups, wherein information of the total number of the whole group of barcodes and the serial number of the current barcode is added into each barcode; and the method further comprises: receiving a trigger signal, wherein the trigger signal is generated after the displayed barcodes being read; triggering to display a next group of barcodes according to the trigger signal, wherein the trigger signal is an optical signal generated after each group of the barcodes have been successfully read. detecting and collecting therapy and/or status information of the medical device; transforming the collected therapy and/or status information of the medical device to a plurality of barcodes; outputting (310,410) the barcodes via an output device of the medical device; and tele-transmitting the outputted barcodes to a hospital or a third party; wherein transforming the collected therapy and/or status information of the medical device to the barcodes comprises: dividing the collected therapy and/or status information to more than two information units; and transforming the more than two information units to the barcodes, dividing the collected therapy and/or status information to more than two information units; and transforming the more than two information units to the barcodes, wherein outputting the barcodes via an output device of the medical device comprises: displaying the barcodes in groups, wherein information of the total number of the whole group of barcodes and the serial number of the current barcode is added into each barcode; and the method further comprises: receiving a trigger signal, wherein the trigger signal is generated after the displayed barcodes being read; triggering to display a next group of barcodes according to the trigger signal, wherein the trigger signal is an optical signal generated after each group of the barcodes have been successfully read. displaying the barcodes in groups, wherein information of the total number of the whole group of barcodes and the serial number of the current barcode is added into each barcode; and the method further comprises: receiving a trigger signal, wherein the trigger signal is generated after the displayed barcodes being read; triggering to display a next group of barcodes according to the trigger signal, wherein the trigger signal is an optical signal generated after each group of the barcodes have been successfully read. receiving a trigger signal, wherein the trigger signal is generated after the displayed barcodes being read; triggering to display a next group of barcodes according to the trigger signal, wherein the trigger signal is an optical signal generated after each group of the barcodes have been successfully read.