The invention discloses an intelligent automobile ventilation device which comprises a housing, an air converter, a filter, an outer pipeline, a deodorizing bottle, a disinfection bottle, a first water pump, a second water pump, an electric push rod, a sliding board and a timer. In the use process, a driver can start the air converter for conducting ventilation and air exchange on an automobile; meanwhile, the driver can set the timer, so that the interior of the automobile is ventilated to exchange air in a timing manner; the driver can turn on a second switch, so that the interior of the automobile is effectively disinfected; and the driver can turn on a first switch, so that the interior of the automobile is effectively deodorized. The intelligent automobile ventilation device is ingenious in structure and powerful in function, the interior of the automobile can be effectively ventilated to exchange air and can be automatically ventilated to exchange air in the timing manner, disinfection and deodorization can be conducted on the interior of the automobile as well, the comfort of the driver is improved, and meanwhile the safety of the driver is greatly protected.