Abstract: In recent years,more and more people have been paying close attention to the three-underground mining,focusing on the feasibility of mining pressed coal,and the main problem is the conflicts of interest between farmers and companies.According to the actual situation of the collapse of Shanxi Province Lin County PangPangTa as well as interest of enterprises and farmers,on the basis of previous research results,we analyzed the influence factors of mining pressed coal,and put forward a new model to analyze the conflicts of interest.With the dynamic game of incomplete information,we found the equilibrium point of interest between enterprises and farmers.Through the best strategy in different practical cases we found,it is easy to get the profits of the two sides when they get the equilibrium value.