It includes four aspects that development of science & technology industry promotes construction of ecological mining area: improving recovery ratio of mineral resources, improving resources comprehensive utilization, reducing discharge of wastes in mining area and reducing destruction to ecological environment. It includes five aspects that construction of ecological mining area promotes development of science & technology industry: providing financial support, providing technical support, providing market, providing test sites and production base, providing development direction. To synergetic development of science & technology industry and ecological mining area, the fundamental mechanism is the realization of benefits synergy, target and approach synergy and innovation synergy.