Since 2008 when「Act on the Development and Utilization of Deep Sea Water」was introduced, Korea has stepped up efforts to develop deep sea water(DSW) until now. As of 2017, 6 DSW developing companies recorded 17.12 billion won in sales. as for market structure, drinking water accounted for 65% or more of the entire market, so the industry needs to be advanced through high added value and industrial diversification. The Third Basic Plan Of Korea sets reasonable use of the DSW and industrial diversification as its goals while emphasizing the value of the DSW as a future resource. for market structure, drinking water accounted for 65% or more of the entire market, so the industry needs to be advanced through high added value and industrial diversification. The Third Basic Plan Of Korea sets reasonable use of the DSW and industrial diversification as its goals while emphasizing the value of the DSW as a future resource.