Abstract: As time goes by, many problems have been exposed during heavy oil recovery with huff and puff technology. These problems have been tackled successfully in Liaohe Oilfield through hard study and a series of matching technology for improving the huff and puff effect has been developed. This paper briefly introduces the application results in 4 blocks of the 5 matching technologies:research of improving huff and puff effect through optimizing parameters; profile control by temporarily blocking at high temperature; selective injection of steam into individual zones; improving huff and puff effect with chemical additives; and application research of lift with hollow rod pump. These technologies have played an active part for improving the ultimate oil recovery of heavy oil in Liaohe Oilfield.