A one-touch data transmission module includes a data receiving unit, for receiving a transmission datum sent by a physiological data analyzer； a control unit, electrically connected to the data receiving unit, for obtaining the transmission datum received by the data receiving unit； a memory unit, electrically connected to the control unit, for storing the transmission datum； a communication unit, electrically connected to the control unit, for sending the transmission datum to a designated place； a power unit, for supplying power to the data receiving unit, the memory unit and the communication unit； a trigger button, electrically connected to the control unit, for triggering the control unit to start the data receiving unit to receive the transmission datum, the received transmission datum being send by the communication unit. The data transmission module provides the functions of simple operation and real-time data transmission for an elderly person.
