Anti-burglary key device for vehicle

The invention provides an anti-burglary key device for a vehicle, belongs to the technical field of vehicle electronics, and solves the problem that an anti-burglary key is easily repeated and cracked in the prior art. The anti-burglary key device comprises a vehicular module and a key module, wherein the key module comprises an output circuit board with a plurality of connecting terminals, and an input circuit board with a plurality of connecting terminals in the same number as that on the output circuit board; an arbitrary connecting terminal of the output circuit board is connected with an arbitrary connecting terminal of the input circuit board; and the vehicular module comprises an identification chip and a detection interface, and the detection interface comprises an input detection terminal and output detection terminal connected with the identification chip. The anti-burglary key device for a vehicle has small repeated probability and is difficult to duplicate or crack.