Building blocks can be used not only for outdoor decoration, but also for indoor decoration, often as decorative materials for home decoration, especially in floor decoration. Building wood square can be used as the engineering wood square of wooden keel, and it is often used as decorative material for home decoration, especially in floor decoration. Building wood square is a common building material in our life and has a wide range of uses. Usually in earthwork construction projects, building blocks are often used as blank wood for concrete formwork, which can play the role of fixing formwork. Building blocks can be affected with damp, but when mixing mortar and concrete, the water content should be checked at any time, and the construction mixing water should be reduced accordingly.