The utility model relates to the field of automobile accessories, and in particular relates to a limiting structure of a storage box cover of an auxiliary instrument panel. The limiting structure of the storage box cover of the auxiliary instrument panel comprises two limiting columns which are fixedly connected with the storage box cover, wherein a limiting plate which is used for connecting the two limiting columns are arranged between the two limiting columns, the left side and the right side of the limiting columns are respectively provided with a clamping groove, clamping strips which are matched with the clamping grooves are arranged on the corresponding positions on the limiting plates, and the two ends of the limiting plate are respectively and fixedly connected with the two limiting columns through the clamping strips and the clamping grooves. According to the limiting structure, two limiting columns are arranged on the storage box cover and are fixedly connected with each other through the limiting plate, thus, the strength of the limiting columns is enhanced, and the storage box cover is firmly and stably limited. The limiting structure is one automobile accessory and is applied to the storage box cover of the auxiliary instrument panel.