The invention provides a multi-functional combined terminal box voltage detecting switch structure for a field verification device, which comprises a base, a base cover and a press-type voltage switch, wherein a voltage wiring terminal is arranged on the base; the voltage switch is arranged on the voltage wiring terminal so that the circuit of the voltage wiring terminal is disconnected or connected; a connecting groove is respectively arranged on the lower parts of the two opposite side surfaces of the voltage switch; the two connecting grooves are connected with the current wiring terminal;a switch button is arranged on the upper side surface of a detecting switch; a shift knob is pressed to control disconnection or connection between the two connecting grooves; the press voltage detecting switch is arranged so as to avoid repetitive operations of a bolt, thereby greatly improving the service life of the voltage detecting switch and the service life of the wiring box; meanwhile, thepress voltage detecting switch and the circuit are in an isolated state, thereby avoiding the situation of live working of the testing personnel and improving the safety.