The invention relates to an intelligent bracelet based on Internet of things. The intelligent bracelet based on Internet of things comprises a main body and a fixed frame. The fixed frame comprises ashell, two supporting plates and two fixing assemblies. Each fixing assembly comprises two sleeves, a lifting unit is arranged between the two sleeves, the lifting unit comprises a driving unit and two driven units, the driving unit comprises a first driving motor, a buffer block, a first driving shaft and a fixed block, each driven unit comprises a moving block, a connecting rod and a supportingblock, fixed units are arranged in the main body, and each fixed unit comprises a second driving motor, a driving wheel, a pull rope, a guide wheel, a first spring, a limiting ring and a slide bar. The intelligent bracelet based on Internet of things controls operations of the fixed units, so that the slide bar stretches into or is separated from the sleeves, and therefore, the main body and the fixed frame are connected or separated. Furthermore, the appressed shell is far away from wrist skin through the lifting unit, and blood circulation of the wrist skin is facilitated while perspirationof a user is facilitated, so that the practicality of the intelligent bracelet is improved.