In order to improve the automatic mining technology level of coal mining machine in Malan Mine, the coal mining machine positioning and positioning, automatic cutting technology and remote monitoring fully mechanized mining technology were studied respectively, and the 18506 working face in Malan Mine was studied. Engineering practice was carried out. Practice showed that the coal mining machine realized the fully mechanized mining technology under the automatic control, reduced the coal bearing rate and the number of personnel, and realized the safe and efficient production of the mine.