In order to relief the intense mining in Xindadi Mine, gob-side mining experiment was conducted in 2202 transportation roadway. roof cutting pressure relief gob-side mining enables to eliminate one roadway mining, reduce the loss of coal column, call of skip mining, realize continuous mining and production centralization. The practice shows that the technology improves coal mining rate, surrounding rock damage, reduce roadway support difficulty and roadway mining, extend mine service time, relief the mining succession and remove isolated island and shorten the moving of working face.