In order to change the abut 700 thousand ton discard slag of Nanjing steel group limited company (for short name: Nanking steel ) into utilization material , and utilize them efficiently, fully, without pollution, a series of experiments were carried out on producing more color brick. The BF slag and LD slag and sticky matter were first mixed together, then sprinkled noting, concreted, took off the mold and protected. The process and technology of producing the more color brick was studied. The result shows that the various functions of the more color brick meet the building materials standard.