A laundry treatment apparatus includes a treatment space to provide a space for accommodating the laundry therein, a supply device supplying at least one of air or steam to the treatment space, a holder fixed to each of the first side surface and the second side surface, and a support body supported by the holder to divide the treatment space into an upper space and a lower space. The holder may include a holder body fixed to the first side surface or the second side surface, a through hole provided in one surface of the holder body facing the first or second side surface having the holder body fixed thereto, a light source provided inside the holder body, and a light guide provided in a bar shape within the holder body to transmit light supplied from the light source in a length direction of the through hole.