Combination instrument

The utility model provides a combination instrument. The combination instrument comprises a circuit board, a floating platform assembly and a dial plate assembly. The circuit board comprises a circuit board body and a liquid crystal screen connected to the circuit board body. The floating platform assembly comprises a supporting platform, and the supporting platform is sunken downwards to form a groove; the circuit board body is connected to the bottom of the dial plate assembly, the supporting table is connected to the top of the dial plate assembly, and the dial plate assembly is provided with a first through hole so that the liquid crystal screen can penetrate through the first through hole and then abut against the bottom of the groove. According to the combination instrument, the supporting table of the floating table assembly is sunken inwards to form the groove, the liquid crystal screen on the circuit board body is clamped to the bottom of the groove, meanwhile, the periphery of the supporting table e