首先论述了解决露天煤矿端帮压煤的必要性,然后分别探讨了4种回采露天煤矿端帮压煤方法的适用性、优势及目前存在的问题,并探讨了4种方法需主要解决的问题。最终通过分析得出最优回采方法。 Firstly, it discusses the necessity of solving the problem of open-end coal mines and then discusses the applicability, advantage and existing problems of the four end-use coal mines, and discusses the main problems to be solved by the four methods . Finally, the optimal recovery method is obtained through analysis.