The invention relates to the technical field of transmissions, in particular to a continuously variable transmission with a differential mechanism. The continuously variable transmission comprises an input shaft, a gear shift mechanism and an output shaft, wherein the input shaft and the output shaft are connected with the gear shift mechanism; the gear shift mechanism comprises a driving wheel, a planet bevel gear, a first bevel gear and a second bevel gear, the planet bevel gear is arranged on the driving wheel, the first bevel gear and the second bevel gear are respectively arranged at two sides of the planet bevel wheel, the planet bevel gear is respectively meshed with the first bevel gear and the second bevel gear, and the output shaft is connected with the first bevel gear; the lateral side of the second bevel gear is provided with a coupler which comprises a driving shaft and a driven shaft, the driving shaft is connected with the second bevel gear, the driven shaft is connected with the output shaft, the driving shaft is provided with a shaft hole, and the driven shaft penetrates through the shaft hole; and the input shaft is connected with the driving shaft in a transmission mode. The continuously variable transmission of the invention has simple structure, small volume, low cost and strong practical applicability, and the rotation speed ratio of the input shaft and the output shaft can be automatically adjusted according to the practical working conditions.