Abstract: The black hole solution is a key material used in through hole and its performance has a great impact on the final quality. This described the preparation of the aqueous solution with copper/active carbon and researched on its stability and conductivity. Through the orthogonal experiment and data analysis, the discussed the impact of the relative content of copper, ball milling time, the relative content of surfactant these three factors on system stability and the optimal formula was gotten. The experiments result confirmed that this system can be used as a new type of black hole solution.