NOVELTY - Preparing aluminum conductive paste of a high-performance environment-friendly solar cell, comprises: (a) preparing the glass powder; (b) preparing the inorganic adhesive glass metal powder; (c) preparing the organic carrier; (d) selecting powder of 2-5 microns for future use; and (e) preparing the aluminum conductive paste.    USE - The method is useful for preparing aluminum conductive paste of a high-performance environment-friendly solar cell (claimed).    ADVANTAGE - In the method above, the problem of environmental pollution is solved; the linear expansion coefficient of the leadless glass powder obtained during the preparation is close to that of the silicon slice; and the yield after sintering is improved.    DETAILED DESCRIPTION - Preparing aluminum conductive paste of a high-performance environment-friendly solar cell, comprises: (a) preparing the glass powder: preparing the glass powder into glass oxide powder in weight percentage as follows: 8-15% of aluminum oxide (Al2O3), 20-40% of silicon dioxide (SiO2), 1-5% of vanadium oxide (V2O2), 0-3% of nickel (Ni), 6-10% of zinc oxide (ZnO), 32-40% of bismuth oxide (Bi2O3), 4-6% OF antimony oxide (SbO3), 0-2% of chromium oxide (Cr2O3) and 5-10% of iron oxide (Fe2O3), where the total amount is 100%; uniformly mixing the prepared glass powder, placing the mixed powder in a crucible, and placing the crucible in a globar furnace to pre-heat at the rate of 30-50 degrees C per second until the temperature is increased to 400-700 degrees C; then holding the temperature for 0.5 hour; next, increasing the temperature at the rate of 50-80 degrees C per second until the temperature is increased to 1200-1500 degrees C; smelting the powder for 3 hours; performing water quenching; drying the powder until the moisture content is less than 5%; then placing the powder in a furnace of 1200-1500 degrees C for 3 hours; performing water quenching again, crushing the obtained product and placing the crushed product into a ball mill; controlling the ratio of the zirconium dioxide (ZrO2) ball to the glass powder and the de-ionized water as 2:1:0.5; ball-milling the crushed product until the particle size is 4-5 microns; and drying the powder for future use; (b) preparing the inorganic adhesive glass metal powder: adding 1-5% of indium powder and 1-3% of phosphorus pentoxide (P2O5) in the prepared glass powder in weight percentage, where the total amount is 100%; uniformly mixing the powder; and then crushing the powder with a crusher at the speed of 1000-1500 rotations per minute (rpm) for one minute to obtain the inorganic adhesive glass metal powder whose particle size is 2-5 microns; (c) preparing the organic carrier: mixing 1-3% of composite cellulose, 1-5% of rosin modified alkyl resin, 0.5-5% of calcium stearate or zinc stearate, 30-60% of terpineol, 1-10% of diethylene glycol monomethyl ether or diethylene glycol monobutyl ether and 30-505 of additive in weight percentage, where the total amount is 100%; the composite cellulose is selectively constituted by two ethyl celluloses of different viscosities: the ratio of the 220 cps cellulose to 100 cps cellulose is 1:5 to 4:6; the additive comprises one or more of diethylene glycol monobutyl ether acetate, hexadecanol, fenchol, phenoxyethanol, and benzyl alcohol; (d) selecting powder of 2-5 microns for future use; and (e) preparing the aluminum conductive paste, where the paste consists of the following substances in weight percentage: 75-85% of aluminum powder coated by aluminum nitride, 9-20% of organic carrier, 3-4% of inorganic adhesive glass metal powder and 1-3% of C powder; the total amount is 100%; the substances are mixed and then grinded with a three-roll machine until the particle size reaches 15-20 microns to achieve the product having viscosity of 25000-35000 MPa.second.