Portable wireless SD card reading system and operation method

The invention belongs to the technical field of electronics, and specifically discloses a portable wireless SD card reading system and an operation method. The system comprises a wireless communication module, an operation module, a power supply module, a USB interface and an indicating lamp, the wireless communication module is in data transmission with the operation module, the wireless communication module is interconnected with the indicating lamp, the operation module is connected with the USB interface, and the power supply module provides electric energy for the wireless communication module, the operation module, the USB interface module and the indicating lamp. The system establishes wireless connection with terminal equipment in a wireless communication mode, receives the operation instruction of the terminal through the wireless connection and sends the operation result information to the terminal equipment, so that an SD card reader is convenient to carry and use.