Tail gas treatment system and method based on solid oxide fuel cell

The invention discloses a tail gas treatment system and method based on a solid oxide fuel cell, and the system comprises an autothermal reforming unit which is used for pretreating VOCs tail gas to generate reformed gas; the SOFC power generation unit is connected with the autothermal reforming unit and is used for generating power by using gas generated by the autothermal reforming unit; the energy storage system is connected with the SOFC power generation unit and is used for storing electric energy; and the heat treatment unit is connected with the SOFC power generation unit and is used for realizing energy distribution and utilization. According to the invention, the VOCs tail gas is used as the fuel gas of the solid oxide fuel cell, the energy of the VOCs tail gas can be efficiently utilized and extra electric energy output can be generated while the tail gas is treated, so that the pollution problem of VOCs is solved, clean energy is obtained, and nitric oxide and other harmful substances cannot be gen