Building installation formwork convenient to disassemble and assemble

The utility model relates to a building installation template convenient to disassemble and assemble, which comprises a first building template and a second building template, a limiting component is arranged between the first building template and the second building template, and reinforcing components are arranged on the front surfaces of the first building template and the second building template; the limiting assembly comprises two connecting blocks, and the two connecting blocks are fixedly installed on the left side of the first building formwork and the left side of the second building formwork. When the building installation template convenient to disassemble and assemble is installed, a pull rod is pulled firstly, so that a fixed rod drives a movable plate to move, a limiting block moves into a movable groove, then a connecting block on a second building template can be inserted into a positioning groove in a first building template, and then the movable plate returns through the elastic effect of