The invention relates to a high specific capacity organic mixed type super capacitor anode material and preparation method thereof; wherein the method comprises the following steps: (1) carrying out cross-linking reaction on condensed ring aromatic compound and formaldehyde in the presence of catalyst; heating the mixture to 100-300 DEG C for carbonization in air atmosphere to obtain a carbonaceous precursor; (2) pre-carbonizing the carbonaceous precursor in nitrogen atmosphere at 500-700 DEG C; (3) carbonizing the product obtained in step (2) at 1100-1300 DEG C under the protection of nitrogen and then pulverizing the product to obtain the high specific capacity organic mixed type super capacitor anode material. The method of the invention features easy availability of raw materials, simple process, high yield, low production cost, high product density, high specific capacity, long cycle life and enjoys very promising industrialization prospect.