This invention relates to the field of building materials, concretely speaking, a production technique of MgO cement foamers and foamy MgO concrete. It has the characteristics that MgO cement foamers are produced; MgO cement is modified; foamy MgO concrete is produced with machines; MgO cement mortar is prepared with machines; MgO cement foamers are made into foam with an electric netlike foaming machine or an air compression foaming machine; the MgO cement mortar and MgO cement foam are mixed, cast, and naturally solidified after standing. |