Splicing house reinforcing and fixing device

The invention relates to the technical field of buildings, in particular to a house reinforcing and fixing device capable of being spliced. Comprising a first fixing mechanism, a second fixing mechanism is arranged at the bottom of the first fixing mechanism, the first fixing mechanism and the second fixing mechanism each comprise a first fixing piece and a second fixing piece, and the second fixing piece is installed on one side of the first fixing piece; the first fixing part comprises a first connecting block, a first lengthening block, a first limiting block, a first lengthening block and a first assembling block, one end of the first connecting block is slidably connected with the first lengthening block, and one end of the first lengthening block is slidably connected with the first limiting block. According to the house reinforcing and fixing device capable of being spliced, through cooperation of the first fixing piece and the second fixing piece, the outer side of a house can be reinforced, meanwhile