A mobile communication device that flexibly supports various services which utilize both Internet communications and short-distance wireless communications. An instruction data receiving section receives instruction data indicating a protocol in which a set of data exchanges are to be performed. An instruction data analysis section analyzes the received instruction data, and controls a reception switching section and a transmission switching section based on a result of the analysis. The reception switching section receives data from either an Internet reception section or a short-distance wireless reception section under the control of the instruction data analysis section. The transmission switching section outputs data to either an Internet transmission section or a short-distance wireless transmission section under the control of the instruction data analysis section.