NOVELTY - The system comprises a compressor (1) for performing Brayton circulation of highest pressure of air to form compressed air in a combustion chamber (2) for synthesizing gas and air to obtain high temperature fuel gas. A gas turbine (3) passes the high temperature gas to a waste heat boiler. A solar heat collector (4) collects middle-low temperature solar energy received in a reforming reactor (5). The reactor is provided with the collector that collects saturated water and methanol fuel that is saturated with water to carry out chemical reforming reaction under a certain pressure.    USE - Used as low-CO2-emisison solar energy and methanol complementary thermodynamic cycle system.    ADVANTAGE - The system ensures that introduction of the solar energy is combined with the separation of the CO2, so that the consumption of fossil energy is reduced, and the fuel can be utilized cleanly. The clean conversion efficiency of the solar energy is 16.8 %, the equivalent efficiency of the system is 55.1 %, and the conservation rate of a fossil fuel can reach 11.8 %. The system reduces the discharge capacity of the CO2 at low energy consumption, so that the fossil fuel is saved, and the intermediate-and-low temperature solar energy is used for efficient heat-into-power conversion and can be complemented with the fossil fuel.    DETAILED DESCRIPTION - The system comprises a compressor (1) for performing Brayton circulation of highest pressure of air to form compressed air in a combustion chamber (2) for synthesizing gas and air to obtain high temperature fuel gas. A gas turbine (3) passes high temperature gas to a waste heat boiler. A solar heat collector (4) collects middle-low temperature solar energy received in a reforming reactor (5). The reactor is provided with the collector that collects saturated water and methanol fuel that is saturated with water to carry out chemical reforming reaction under a certain pressure. A heat exchanger reforms the synthesized gas obtained by the reaction of the high temperature fuel gas and the water and removes the carbon dioxide (CO2) from clean fuel gas in a condenser. The condenser synthesizes gas rich in CO2, and passes gas to a dewatering unit. The dewatering unit passes the gas into the condensed water, and outputs to a CO2 physical absorbing unit. The physical absorbing unit making the synthetic fuel of gas is CO2. The synthesis gas output outputs to the combustion chamber. The heat boiler supplies heat for water pre-heating, evaporating and over-heat process. A steam turbine generates steam. The condenser allows the steam turbine exhaust to saturated water to circulate the water by a pump. Pressure generators are connected with a steam turbine to produce mechanical power output electric energy. The heat exchanger is connected to a heating side inlet of the reforming reactor. A heating side outlet is connected with the condenser. A cold side inlet is respectively connected with the dewatering unit. A CO2 absorbing unit and a cold side outlet are respectively connected with the waste heat boiler and the combustion chamber. An INDEPENDENT CLAIM is included for a low-CO2-emisison solar energy and methanol complementary thermodynamic cycle method.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic view of as low-CO2-emisison solar energy and methanol complementary thermodynamic cycle system.    Compressor (1)    Combustion chamber (2)    Gas turbine (3)    Solar heat collector (4)    Reforming reactor. (5)