Abstract: The thin seam mining eficntrate was nfuenced y many fcors.Acording to the thinscam ming ractices in Daodougou lMo e the nfiencefatos f he mn elicietratein the thin seam mning face were deremined.lith the downime and operationtime,the coa shearer seed and the tethical parameters fom thesite invstigato s the im latonbasis a a te compute simulason tehmol gy a apled o reaper the pouction pocess of thecal min faceto n detal analyze cath intluence factorafced to the mining eficientrae of the coal mning face and o eogice the poblem exstd n he proutio system of thecad minin azce.Thesnmulaton alysis showerdtht the production eouiomentfacor ant th auliar euiomentfactof were the manfactos affected o the mining eficienc of No.8203 cal mning fave in Dadougou Mie Thegeogcal ondtion and the minglv elof o 820s cadl mng vewere in te domestic average lvel and the anual producion coud e .5o4 ilin tons Thesimuatonresls coud providethe basis to mpov te.thinsam ming efiseny nd opimie the poduotion links of the thin seam mining face.