The utility model relates to a CO2 geology is sealed up up for safekeeping and is revealed monitoring, environmental impact and evaluation method. Carbon dioxide geology is sealed up up for safekeeping and is revealed manual control analogue means, including CO2 leakage control system, plant ecology system and data acquisition and control system, CO2 leaks control system and including the CO2 gascylinder and the plenum chamber that set gradually, is equipped with control valve, gas flowmeter and flux appearance on the pipeline between CO2 gas cylinder and the plenum chamber in proper order, the plant ecology system includes soil chamber, soil chamber and plenum chamber intercommunication, the soil chamber intussuseption is filled with soil to the planting has the plant, last sample windowand the sample valve of being equipped with of soil chamber, flux appearance and soil chamber intercommunication, data acquisition system is including the PLC and the computer that connect gradually,PLC is connected with gas flowmeter and flux appearance respectively. The utility model discloses ration simulation geology is sealed up CO2 up for safekeeping and is revealed the influence of back to earth's surface and vegetation characteristic.