NOVELTY - Preparation of metal supported solid oxide fuel cell comprises preparing casting paste using (pts.mass) nickel oxide (20-23), pore-forming agent (1-1.5), adhesive (2.2-2.5), plasticizing agent (2.2-2.5), dispersant (0.3-0.4), and organic solvent (96-104); tape casting the obtained casting paste; preparing half solid oxide fuel cell; sintering the half solid oxide fuel cell at 1370-1450 degrees C; preparing a single solid oxide fuel cell; and putting the single solid oxide fuel cell in reducing atmosphere at 700-800 degrees C to reduce nickel oxide.    USE - Method of preparing metal supported solid oxide fuel cell, preferably nickel supported type solid oxide fuel cell (claimed).    ADVANTAGE - The method is simple and suitable for preparing metal supported solid oxide fuel cell with large area; has low cost and wide raw material sources; and provides fuel cell with excellent electric performance. The fuel cell has open-circuit voltage measured at 750 degrees C of 1.01 V; and maximum power density of 0.64 W/cm2.    DETAILED DESCRIPTION - Preparation of metal supported solid oxide fuel cell comprises:    (A) preparing casting paste by providing using (pts.mass) nickel oxide (20-23), pore-forming agent (1-1.5), adhesive (2.2-2.5), plasticizing agent (2.2-2.5), dispersant (0.3-0.4), and organic solvent (96-104); dissolving nickel oxide, pore creating material, adhesive, plasticizing agent, and dispersant into the organic solvent; adding defoaming agent (4-7 drops); and ball milling to obtain the casting paste;    (B) tape casting the obtained casting paste; naturally drying to obtain a nickel oxide blank; and cutting the nickel oxide blank into a nickel oxide supporting body blank that meets the size requirement;    (C) preparing half solid oxide fuel cell by printing anode functional layer material and electrolyte layer material to nickel oxide supporting body blank sequentially by using screen printing technology;    (D) degreasing and pre-sintering the half solid oxide fuel cell; sintering at 1370-1450 degrees C to compact the electrolyte; and applying pressure of 650-750 Pa while sintering;    (E) preparing a single solid oxide fuel cell by printing cathode functional layer material to half solid oxide fuel cell using screen printing technology; and sintering at 1100-1300 degrees C to sinter the cathode layer and electrolyte layer; and    (F) putting the single solid oxide fuel cell in reducing atmosphere at 700-800 degrees C to reduce nickel oxide and prepare a porous metal nickel supporting body, obtaining nickel supported type solid oxide fuel cell.