Green, environment-friendly and shockproof building board and preparation and installation methods thereof

The invention relates to the technical field of building materials, and discloses a green, environment-friendly and shockproof building board and preparation and installation methods thereof. The building board comprises a insulation board and an aluminum alloy board located at one end of the insulation board, buckles are embedded in the four corners of the insulation board correspondingly, a keelframe is fixedly connected to one ends of the buckles, the keel frame comprises a square pipe, the upper end and the lower end of one end of the square pipe are each fixedly connected with a set of L-shaped fixing pieces, and bottom plates are arranged at the upper end and the lower end of the other end of the square pipe. According to the building board and the methods, the insulation board hasthe advantages of being light in weight, good in integrity, high in strength, high in shock resistance, not prone to falling off, good in safety and excellent in comprehensive performance; the insulation board and the aluminum