In order to increase the production and reduce the coke radio,a series of new techniques were adopted on the No.1BF in Shougang Jingtang iron&Steel Co.Ltd after July 2009, such as beneficiated burde, charging system,blast supply system, iron and slag discharging system,high BF Top pressure,high-temperature and oxygen enriched blast,and so on. At present, many of indexes have exceeded designed standards.