To miniaturize a key holder and to easily find a key and a keyhole in a dark place.

In this key holder, a lid part 50 is hinge-connected to a box- shaped key storage part 49 wherein one end side is open, the key storage part 49 is longitudinally formed with partition plates 56 for storing keys in parallel with the keys erected, a fork-shaped tip part 62 of a key pushing-up plate 59 is inserted between the partition plates 56, a rear end part of the key pushing-up plate 59 is disposed aslant apart from a bottom plate 52, one end side of the key storage part 49 is formed with a shaft hole 57 corresponding to rear end holes of the stored keys, and a shaft tool 58 is detachably installed through the shaft hole 57.