The invention discloses coal ore well below risk prevention cabin, being characterized that top four edge is provided with joining opposite angle two piece upper beam, who at top four edge central location cross connects and forms upper cross point; lower end four edge is provided with joining opposite angle two piece under beam, who at low end four edge central location cross connects and forms lower end cross point, lower end four edge angle respectively joins with the middle of upper cross points first inclining branch arm, top end four edge angle respectively joins with the middle of lower end cross points second inclining branch arm, four pieces of first inclining branch arm and four pieces of second inclining branch arm one-to-one map cross connect, coal ore well below risk prevention cabin inside takes formation of a lot triangle support, bears larger strength squeeze pressure, does not yield completely under squeeze pressure, cabin inside forms more crew resident area, the middle of each zone links, unblocks from side door to cabin inside, raises safety parameter to a larger extent.