Abstract: in over to improve the curent sitaton fthe coizortal ell fectring efr:t in Shizhuang Block af Nimshui asin Seven CBMl vetical el s ere tasen as an example o analyzthe estofracurng mcoecacxk mon coing distveing the reason why the pouction efet was noti fal.the cual efr: ofracturin n th coal s am of popgant was only about1N% To make hefrctuig fretmore fri tieforth cal s am,the atirial iouctio mehod ofom horzontalsrackof ca sam was ut fowad .ha s the hoizontal crck was iducedby the efectve fracturing fud ad popantin th coal s am.Depending n the inor experiment and cack mophoy me chansm rescachand J hoizo alwelli圜ifil inucion tes as aried ou in Shitnuang Bockthe rctying dsichage rte was.5 ～9.5m3min wit abot 1 0 fud oum . The poppant oncertraton wa 9% and the sucessrale ofactuing was '11w which reacoed hdesgn reuiemens T he miv sdisnic mamtorng resuts shower tht th frcuin frcture mophogy was complexand hoizontal component volume percenage was over 81I% and the crack :haracteristics were mainly horizontal crack, convincing that this technology was feasible.The artificial induced fracture technology coul