Lifting system applicable to kitchen worktop

The invention discloses a lifting system applicable to a kitchen worktop. The lifting system comprises a worktop supporting frame, the worktop supporting frame provides fixing and supporting effects for the working part, and the worktop supporting frame is provided with four connecting rods; any two connecting rods initially form 40 degrees, the rest two connecting rods initially form 140 degrees,when the worktop needs to be lifted to the highest position, through the rotation of a transmission threaded rod, any two of the four connecting rods with threaded holes form 120 degrees, the rest two connecting rods form 60 degrees, and a working mechanism is composed of a connecting line A, a rotating nut, a motor, a connecting rod A, a connecting frame A, a connecting rod B, the transmission threaded rod, a connecting rod C, a connecting frame B, a connecting rod D, a threaded hole A, a threaded hole B, a temperature sensor, a connecting line B and a distance sensor respectively. The invention provides the lifting