A portable USB low frequency massager for use with a USB Type-A female power supply unit and connected to at least two electronic massage patches, including: USB Type-A male connector, connected to the USB Type-A female base a power supply device for taking power； a boosting circuit for boosting power taken by the USB Type-A male； a switch for connecting the boosting circuit and the at least two electronic massage patches； a button for switching the activation and deactivation of the portable USB low frequency massager； at least one control button； a microcontroller connecting the USB Type-A male, the boosting circuit, the switching switch, the power button and the at least a control button, the microcontroller stores a complex array waveform generation mode, and when the power button is turned on, select one of the group waveform generation modes to control an output voltage and an output frequency of the boost circuit, and control The switching switch switches the discharge mode of the at least two electronic massage patches to perform an electronic massage； and when at least one control button is operated, the microcontroller adjusts the magnitude of the output voltage.一種輕便型USB低頻按摩器，運用於具有USB Type-A母座的電源裝置，並連接至少兩個電子按摩貼片，包含：USB Type-A公頭，連接該具有USB Type-A母座的電源裝置，用以取電；升壓電路，用以將經由該USB Type-A公頭所取的電進行升壓；切換開關，連接該升壓電路與該至少兩個電子按摩貼片；電源按鍵，用以切換該輕便型USB低頻按摩器的啟動與關閉；至少一控制按鍵；微控制器，連接該USB Type-A公頭、該升壓電路、該切換開關、該電源按鍵與該至少一控制按鍵，該微控制器儲存有複數組波形產生模式，當電源按鍵被開啟後，選擇該些組波形產生模式其中之一以控制該升壓電路的一輸出電壓與一輸出頻率，並控制該切換開關對該至少兩個電子按摩貼片的放電模式，以進行電子按摩的動作；當至少一控制按鍵被操作時，微控制器調整該輸出電壓的大小。
