The invention relates to a kind of smart glasses, comprising mirror legs, a mirror frame, a lens assembly and a control module, the mirror legs are movably connected to the end of the mirror frame, and the feature is that the lens assembly is movably mounted on the mirror frame In addition, the mirror frame is also provided with a driving component, the control module includes an MCU, an NB-IOT module and a sensor component, the MCU communicates wirelessly with the user terminal through the NB-IOT module, and the MCU also communicates with the user terminal respectively The drive component and the sensor component are electrically connected, and the MCU controls the drive component to adjust the position of the lens component; the present invention integrates the NB-IOT module in the glasses and communicates with the user terminal, which has low power consumption and realizes The smart glasses have a long standby time and long use time, can report user data in real time, and can provide users with vision training. The focusing accuracy of the lens components is higher, and the user experience is better.