At present, the output of coking industry in China is biggest in the world,and large-scale coking industy production will occur a very important problem of the uses of coke oven gas, if a lot of coke oven gas are discharged into the air,the serious pollution will be caused and some valuable chemical resources are wasted. Under this background,based on the practical uses of coke oven gas, combined with market economy, environment and other factors, the production technologies of synthetic ammonia, urea and methanol from coke oven gas were expounded, the economic and social benefits were analyzed, the development prospect of the coke oven gas were put forward which was coke products turning into high value-added chemicals.