Ancient building black brick dry hanging construction method

The invention discloses an ancient building black brick dry hanging construction method which comprises the following steps: step 1, scribing along the junction of an original wall body and the ground, and dismantling the original wall body; secondly, a formwork is erected along the lineation position, an opening is formed in the formwork, a black brick dry-hanging mechanism can be tightly inserted into the opening, the black brick dry-hanging mechanism is driven into the opening, the black brick dry-hanging mechanism comprises a connecting cover, an embedded plate is arranged on one side of the connecting cover, at least two pairs of inserting pieces are arranged in the connecting cover, and rib holes are formed in the side of the connecting cover; and thirdly, concrete is poured between the formworks, so that the concrete effectively covers the embedded plate. The inserting ribs are inserted into the rib holes in the edge side of the connecting cover and penetrate through the space between each pair of inse