In order to effectively recover coal resources in thin coal seam in Sima Coal Industry Co.,Ltd.,taking 8101 first mining face of 8-2#coal seam as the engineering background,based on the analysis of geological occurrence conditions,the parameters of the working face were firstly determined,and the fully-mechanized mining equipment of the working face was selected,so that the"three machines"of shearer,hydraulic support and scraper conveyor can meet the technical requirements,and the appropriate transfer machine and belt conveyor were selected to form a complete transportation system,to achieve the needs of safety production of the working face.