Splicing type hollow building template

The utility model discloses a splicing type hollow building template which comprises a template body, a first attaching edge, a second attaching edge and a hook chain, and a first fixing plate is installed on one side wall of the template body in a vertically symmetrical mode. The hollow building formwork has the advantages that through the design of the first attaching edge, the second attaching edge, the grooves, the protruding strips, the hook chains, the hooks and the hanging rings, on one hand, the sealing performance of two adjacent hollow building formworks during splicing can be effectively improved under the cooperation of the first attaching edge and the second attaching edge during use; on the other hand, through cooperation of the hook on one hollow building template and the hanging ring on the other hollow building template, reliable fixing of the two adjacent hollow building templates after splicing can be achieved, loosening of the two adjacent hollow building templates after splicing is effect