To provide a mobile body capable of enhancing visibility under dark circumstance.

In the mobile body 100, a traveling speed to a front side or a rear side is controlled based on an inclination angle to a front side or a rear side. The mobile body 100 includes a head light 20a; a head light driving means for changing an optical axis of the head light 20a; and a head light control means for controlling the head light driving means. The head light control means controls the head light driving means so as to upwardly change the optical axis of the head light 20a as the traveling speed to the front side of the mobile body grows higher.