NOVELTY - A wide-temperature solar silver glass frit powder, comprises 50-80 wt.% lead monoxide, 1-10 wt.% boron trioxide, 0.5-7 wt.% aluminum oxide, 5-25 wt.% silicon dioxide, 0-8 wt.% zinc oxide, 0-10 wt.% oxide, 0-5 wt.% zirconium oxide, 0-5 wt.% titanium oxide, and 0-3 wt.% magnesium oxide.    USE - Wide-temperature silver glass frit powder for solar cell.    ADVANTAGE - The glass frit powder has good stability, good ohmic contact, low series resistance, high open circuit voltage, high photoelectric conversion efficiency of solar cells and weather stability, and good tensile strength.    DETAILED DESCRIPTION - A wide-temperature solar silver glass frit powder, comprises 50-80 wt.% lead monoxide, 1-10 wt.% boron trioxide, 0.5-7 wt.% aluminum oxide, 5-25 wt.% silicon dioxide, 0-8 wt.% zinc oxide, 0-10 wt.% oxide (R2O), 0-5 wt.% zirconium oxide, 0-5 wt.% titanium oxide, and 0-3 wt.% magnesium oxide, where R2O is lithium oxide, sodium oxide, and/or potassium oxide, where the molar ratio of lead monoxide-boron trioxide is 0.1-0.5. An INDEPENDENT CLAIM is also included for a method for preparing wide-temperature solar silver glass frit powder, which involves adding the raw materials, respectively weighing the mixed raw material into the aluminum oxide crucible fully and uniformly mixing to obtain the mixed raw material, putting the crucible into a furnace, preserving temperature and melting at 1200-1300 degrees C for 0.5-1 hours to obtain uniform clear glass solution, melting the glass liquid into deionized water quenching, after cooling, taking out the glass granules, drying, obtaining glass granules by drying and ball milling, adding de-ionized water, in the ball mill, ball milling for 2-5 hours, sieving glass slurry, taking out and putting into a ball mill, using small grinding balls with diameter of 5 mm, adding proper de-ionized water, ball milling at 100 degrees C in the oven for 1-4 hours, sieving to obtain glass liquid, taking small ball to obtain the glass powder slurry, putting slurry in air at 100 degrees C in the oven to completely dry, to obtain the finished product.