The invention discloses a full-electronic turnout position detection device. The device comprises a 110VAC reference signal circuit, a positioning detection circuit, an anti-position detection circuit, a normal indication relay and a reverse indication relay which are respectively connected with a forward direction drive circuit and a backward direction drive circuit. The 110VAC reference signal circuit comprises circuits X1, X2, X3, X4 and X5 connected with a switch machine, the positioning detection circuit is connected with the circuits X2 and X4, a diode is installed on the circuit X4, theanti-position detection circuit is connected with the circuits X3 and X5, a diode is installed on the circuit X5, the circuit X1 is connected with a fire wire, the forward direction drive circuit isconnected with a first processor, the backward direction drive circuit is connected with a second processor, and the normal indication relay and the anti-position indication relay are connected with the first processor and the second processor. By the combination of the outer switch machine and the diode, the detection of a position signal is achieved, and the circuit structure is simple.