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In order to enhance the security of poor working underground environment, it’s important to study on the problem of location and tracking for keeping mining personnel and down hole equipments safe. We put forward wireless sensor network underground location algorithm which is based on the superposition of RSSI and DV-Hop. This algorithm makes up for the shortage of RSSI algorithm and DV-Hop algorithm. This algorithm helps enhance measuring accuracy and reduce const measurement. We illustrate this algorithm through combining the theory analysis with the examples in this paper.