The utility model discloses a multi-purpose vehicle window cover which comprises a reflective layer, a thermal insulating layer and a bottom layer which are fixed together from the top down sequentially, and a sucker is further embedded into the bottom surface of the bottom layer. In the technical scheme, the vehicle window cover integrates sun-proof and cold-proof functions together and is fixed at the outer part of a vehicle window through the sucker, before driving, all that is needed is to uncover the multi-purpose vehicle window cover, the operation is simple and convenient, and conveniences in sun block in summer and frost protection in winter to an automobile can be brought.