The invention discloses a smart wristband with anti-collision function; the upper end of the host base is provided with a host, and the outer end of the host is provided with an anti-collision body, which is arched and round, and the middle of the anti-collision body An LED display is provided, one end of the LED display is provided with a circular button, one end of the host is provided with a host buckle, and is connected to the host bayonet, and the other end of the host is provided with a host charging socket, And plugged with the wristband socket, the middle end inside the host is provided with a main control MCU, the lower end of the main control MCU is provided with a bluetooth module, and the middle and upper end of one end of the main control MCU is provided with a rechargeable battery. The lower end of the rechargeable battery is respectively provided with a capacitive sensor and an ambient light sensor; the present invention adopts an arched structure, through the anti-collision body, effectively prevents the collision of the smart bracelet, has anti-pressure effect, is easy to wear, safe to use, and can be used for a long time Lifespan, and can also be used directly as Bluetooth.