Basic characters of Green Building Materials Raw materials of Green Building Materials are mostly from recycling materials, such as industrial tailings, recycling building materials, and so on. But not from natural raw materials, as less as possible. Production processing is lower energy consumption and lower pollution. There are not toxic and harmful raw materials in formulation and processing of Green Building Materials. It’s forbidden to use formaldehyde, Halides or aromatic hydrocarbons. There are not mercury and/or lead and their compounds in Green Building Materials. There is not radioactivity in Green Building Materials. Green Building Materials is designed and manufactured under the condition of irationalization of producing processing and improving humen life quality. Green Building Materials can be recycled after use, without waste pollution not only in production and in construction, but also after use.