The present invention is a kind of microwave catalyst for the reformation reaction between methane and CO2. The catalyst consists of carrier and active componnets, and features that the active component is nickel oxide in the carrier amount of 3-20 wt% and the catalyst carrier is gama-Al2O3 coated foamed ceramic which has silicon carbide and ferrite as microwave absorbing material and comprises silica gas adhesive 2-25 wt%, microwave absorbing material 70-90 wt% and gamma-Al2O3 5-25 wt%. The present invention has mild reaction condition, high synthetic gas yield and very low reaction carbon deposit.