Abstract: There are over 50 trial projects of the underground coal gasification(UCG) at present.The previous practices of USSR showed that the UCG technology i s mature and could make coal to be a clean,fficient and low price energy.Uzbekistan Angren Gasification Station has been operated over a half century for the gas po wer generation and the station has a good effect in the economic cost and the environment improvement aspects.In the recent 10 years,Australia,UK,EU and other gove rnments with the local organizations are highly promote and support the UCG projects. There are over 12 UCG commercialized projects in Australia.UK plays a world lea ding role in the UCG,CO2 capture and storage,as well as the alkaline fuel cell combination.Since 2009,UK approved 18 UCG project along the coasts of UK.The UCG to produce hydrogen project and the UCG projects with CO2 capture and storage of EU are all in schedule.