The honeycomb activated carbon is mainly used for air and water purification. It has wide applications in many fields, such as chemical industry, light industry, pharmaceutical industry, environmental protection, food industry and military industry. It can be used as catalyst or catalyst carrier, and for gas separation and purification organic solvent recovery, desulfurization of gas or flue gas, waste water treatment, drinking water purification decolorization, odor and taste removal as well as purification and refinement, noble metal extraction.