The invention discloses a dust suction and disinfection integrated device for automobile interior decoration. The dust suction and disinfection integrated device comprises a base plate, a first electric push rod, a fixed cover, a rotary cover, a bracket, springs, steel balls, a storage box, a suction fan, a dust suction hose, a gas cylinder, an exhaust hose, an air pump, a telescopic hose, a telescopic pipe, dust suction nozzles, exhaust nozzles and universal sliding wheels. The dust suction and disinfection device for automobile interior decoration is ingenious in structure, powerful in function, safe and reliable, dust suction can be conducted conveniently on the interior of an automobile, and effective sterilization and disinfection can be conducted on the interior of the automobile; and in addition, a worker can conduct site-specific dust suction and disinfection on the interior of the automobile through simple operation according to requirements, and the labor intensity of the worker is relieved while the cleanliness degree of the automobile interior decoration is greatly improved.