According to the development plan of the Vietnam coal industry at the period of 2010-2020 and its prospect to the year of 2030, for meeting the development requirements of the coal sector to the year 2020, besides the enlargement and increase the mining capacity for the existing underground coal mines, the coal sector has to invest in the exploration, construction designing and mining operation of 13 new underground coal mines. The paper represents some problems in the construction of new underground coal mines.