The utility model provides a movable bricklaying tool for a furnace bottom. By adopting the movable bricklaying tool for the furnace bottom, the bricklaying efficiency of the furnace bottom is remarkably improved. The movable bricklaying tool for the furnace bottom comprises a support and a mounting part capable of rotating relative to the support, the mounting part is provided with a first end wall, and the first end wall is used for being connected with the furnace bottom; the mounting part forms a channel with a side opening, the channel is used for containing
refractory bricks, and the channel is perpendicular to the plane where the first end wall is located; the mounting part can rotate between a horizontal position and a vertical position, and in the vertical position, the opening direction of the channel is upward.