Autoclaved aerated concrete products are made of siliceous materials (quartz sand, fly ash, tailings powder, shale, etc.), cement, lime, aluminium powder paste agent, bubble stabilizer, regulator and other materials as the main raw materials, through the processes of grinding, metering and batching, mixing and pouring, inserting and pulling drill rods, air expansion, precuring, cutting, autoclaved curing and packing processes.