A portable medical device comprising a device body and a remote controller that operates the device body , wherein the device body comprises: a power supply unit ; a driving unit that performs a drug solution administration and is driven by electric power from the power supply unit ; a main-body-side wireless communication unit that outputs identification information at a predetermined cycle when the power supply unit is turned on; and a main-body-side input/output control unit that controls the drug solution administration of the driving unit and the output of the main-body-side wireless communication unit , in accordance with information received by the main-body-side wireless communication unit , and the remote controller comprises: an input unit , wherein together with a stop request of the output for the main-body-side wireless communication unit , a stop duration of the output or a restart time of the output is inputted from the input unit ; and a controller-side wireless communication unit that establishes wireless connection between with the main-body-side wireless communication unit that has outputted the identification information by receiving the identification information outputted from the main-body-side wireless communication unit , and outputs, to the main-body-side wireless communication unit , information that is related to stop of the output and inputted from the input unit . a power supply unit ; a driving unit that performs a drug solution administration and is driven by electric power from the power supply unit ; a main-body-side wireless communication unit that outputs identification information at a predetermined cycle when the power supply unit is turned on; and a main-body-side input/output control unit that controls the drug solution administration of the driving unit and the output of the main-body-side wireless communication unit , in accordance with information received by the main-body-side wireless communication unit , and the remote controller comprises: an input unit , wherein together with a stop request of the output for the main-body-side wireless communication unit , a stop duration of the output or a restart time of the output is inputted from the input unit ; and a controller-side wireless communication unit that establishes wireless connection between with the main-body-side wireless communication unit that has outputted the identification information by receiving the identification information outputted from the main-body-side wireless communication unit , and outputs, to the main-body-side wireless communication unit , information that is related to stop of the output and inputted from the input unit . an input unit , wherein together with a stop request of the output for the main-body-side wireless communication unit , a stop duration of the output or a restart time of the output is inputted from the input unit ; and a controller-side wireless communication unit that establishes wireless connection between with the main-body-side wireless communication unit that has outputted the identification information by receiving the identification information outputted from the main-body-side wireless communication unit , and outputs, to the main-body-side wireless communication unit , information that is related to stop of the output and inputted from the input unit . <EOS>