Convenient and fashionable USB flash disk key box

The utility model discloses a convenient and fashionable USB flash disk key box which comprises a casing, wherein a USB flash disk storage structure is arranged inside the casing; a key storage mechanism is arranged on the casing; the key storage mechanism comprises a plurality of key rings which are arranged on the front side of the casing and are arranged in parallel; a transverse fixing rod coordinated with the key rings is mounted between every two adjacent key rings; the fixing rods are connected inside round holes of keys in a sleeved manner; a vertically arranged rubber fixing piece is arranged on the lower side of each key ring; the part at the lower end of the round hole of each key is fixed between every two adjacent rubber fixing pieces in a clamped manner; a button is arranged on the upper surface, on the rear side of each fixing rod, of the casing. The key storage mechanism and the casing of a USB flash disk are integrally combined, so that the space is saved, the USB flash disk and the keys which are easy to lost are integrated and combined, meanwhile the keys can be completely preserved inside a groove body and can be conveniently and rapidly taken out when being used, and the convenience for carrying and using the keys is improved.