To allow an operator to sufficiently remove stains and arrange his hair by transporting a lavatory unit wherein various kinds of washing implements are arranged in a box to a work site easily and economically to install it.

A lavatory 2 is provided in a box 1 and the front side thereof is open to the exterior, and a section 3 for storage of implements is formed under the lavatory 2 and a mirror 6 is provided on the inner wall above the lavatory 2, and implements needed for washing the face are provided around the lavatory 2. Further, a cover plate 4 is provided at the top surface of the box 1, which can be extended and retracted, and connection ports 16, 18 are provided at outer ends of a water pipe and drain pipe respectively and electric connection terminal 21 is provided to supply power to the implements.