NOVELTY - A high-efficient electroconductive silver paste comprises 10-20 pts. wt. modified glass powder, 40-50 pts. wt. silver powder having particle size of 16-25 mu m, copper powder having particle size of 6-10 mu m, 11-12 pts. wt. rosin resin, 0.3-0.5 pt. wt. sodium lauryl sulfate, 1-3 pts. wt. monobutyl citrate, 10-20 pts. wt. terpineol, 4-7 pts. wt. diethylene glycol monobutyl ether acetate, 1-2 pts. wt. polyamide wax, 2-4 pts. wt. stearic acid, 10-12 pts. wt. 2-ethylhexyl acrylate and 0.2-0.4 pt. wt. ethyl cellulose.    USE - High-efficient electroconductive silver paste is used in fabrication of crystalline silicon solar cell.    ADVANTAGE - The high-efficient electroconductive silver paste has excellent adhesiveness to substrate, improves compressive strength, conductivity and photoelectric conversion efficiency of the solar cell.    DETAILED DESCRIPTION - A high-efficient electroconductive silver paste comprises 10-20 pts. wt. modified glass powder, 40-50 pts. wt. silver powder having particle size of 16-25 mu m, copper powder having particle size of 6-10 mu m, 11-12 pts. wt. rosin resin, 0.3-0.5 pt. wt. sodium lauryl sulfate, 1-3 pts. wt. monobutyl citrate, 10-20 pts. wt. terpineol, 4-7 pts. wt. diethylene glycol monobutyl ether acetate, 1-2 pts. wt. polyamide wax, 2-4 pts. wt. stearic acid, 10-12 pts. wt. 2-ethylhexyl acrylate and 0.2-0.4 pt. wt. ethyl cellulose. The modified glass powder is prepared by adding 1-2 pts. wt. sodium aluminate, 2-4 pts. wt. polyethylene wax, 1-2 pts. wt. chlorinated paraffin and 100-150 pts. wt. deionized water to a reactor, stirring at 300-400 rpm, adding 2-4 pts. wt. sodium alkylbenzene sulfonate, 3-5 pts. wt. sodium metasilicate, 0.1-0.2 pts. wt. Turkey red oil, 1-2 pts. wt. sodium bisulfite and 1-2 pts. wt. lecithin, heating to 130-150 degrees C, stirring at 200-500 rpm, obtaining modification liquid, mixing 10-20 pts. wt. waste glass powder, 1-5 pts. wt. bismuth oxide, 5-7 pts. wt. boron oxide, 2-4 pts. wt. tin oxide and 8-10 pts. wt. copper oxide, sintering mixed material at 1200-1400 degrees C for 0.5-2 hours, quenching glass melt, milling, drying, mixing resultant powder with 7-10 pts. wt. titanium dioxide and 1-5 pts. wt. cobalt oxide, heating at 1000-1200 degrees C for 1-2 hours, quenching, milling, drying, sieving, mixing obtained glass powder having particle size of 1-5 mu m with modification liquid, stirring at 30-50 degrees C for 1-2 hours, aging for 5-8 hours, filtering and drying. An INDEPENDENT CLAIM is included for preparation of high-efficient electroconductive silver paste.