The invention relates to the field of automobile air ducts, in particular to an automobile air duct assembly that is easy to clean, including a base, an air duct mechanism, a transmission mechanism, a deodorizing mechanism, a filtering mechanism and an adjustment mechanism; when in use, the transmission mechanism is placed on One side of the top of the base, through the corresponding gear transmission and cam transmission components, and cooperates with the deodorization mechanism at the same time, it is convenient to add freshener to the air duct mechanism, so as to facilitate the removal of peculiar smell in the air duct mechanism and make the user's use more convenient; The filter mechanism is placed inside the opening at the top of the air duct mechanism, and the filter screen assembly can be easily installed and disassembled through the corresponding spring block structure, so that the filter screen assembly can be easily disassembled and the filter screen assembly can be cleaned; the adjustment The mechanism is fixedly placed inside the two sides of the air duct mechanism, which is convenient to adjust the air outlets on both sides of the air duct mechanism, so that the air outlets on both sides of the air duct mechanism can cover all corners of the car, making the use more convenient. convenient.