Summarizes the main characters of mountain cave blasting in Daguanshan Mine, it also analyses the new method and measure during the blasting process.

通过总结大关山矿硐室爆破的主要特点，并就硐室爆破实施过程中采取的新措施、新办法进行了分析。

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The boulder, rock wall. bottom toe always appear in limestone mine mid deep bench blasting because of bedding, fault, joint and cave.

石灰石矿岩层较多，断层、节理裂隙和溶洞发育，爆破容易产生大块、岩墙和根底。

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