Abstract: The output and harm of industrial by-product gypsum were introduced.New type gypsum with environmental-friendly property was made resource recycling by producing gypsum slag green material.Using mineral and reagent to enhance the strength and water resistance of the gypsum composite，so that it stability could be improved.Thus the green gypsum slag material could be effectively applied in the fields of insulation material，concrete，free calcined bricks，and plaster， which could speed up the sustainable green ecological civilization construction.Finally，the research direction in the future was also prospected.

Key words: industrial by-product gypsum；slag, green material