1In August, 965, he graduated from Fuxin Mining Institute and was assigned to Xi 'an Coal Mine Design and Research Institute. He has been engaged in coal design for a long time and has served as an engineer, chief engineer of the engineer's office, deputy director and deputy chief engineer of the planning and operation department. 1June 1994 to present, served as vice president. 1998 received special government allowance. During my 25 years as project chief engineer, I participated in the design work of Shenfu, Shen Yu, Chang Bin, Bai Pu, Shuonan and Yangquan mining areas, and was responsible for organizing the design of 22 projects, including 7 master plans of mines and coal washing plants and 15 preliminary design. In the construction of 12 project, be responsible for organizing construction drawing design and coordinating problems in construction. At present, the mine and coal washing plant have been completed and put into operation 10, with a total design scale of100000 tons. In the above-mentioned projects, we won the second prize 1, the third prize 1 and the commendation prize 1. During his tenure as vice president, he was in charge of production and organized the design of coal washing plants for national key construction projects such as Daliuta, Huangling, Yangchangwan, Xiangning and Yungang. In the 1998 and 2000 national excellent design awards, more than 30 projects in the whole hospital won provincial and ministerial excellent design awards. Six of them won the first prize, and three projects, including Daliuta Mine, were also awarded the national gold medal by the Ministry of Construction. Over the years, he has published many papers in coal design magazine and some academic conferences, including the Quaternary loess layer sinking and shotcrete support, the analysis of some problems in roadway layout in gently inclined thick coal seam mining area, the development and construction of new mode of coal power group project in Chang Bin mining area of Shaanxi Province, and the long-term planning assumption of coal industry development in Shaanxi Province.