Abstract: According to the mining status and environmental disruption of Beiminghe iron mine，the paper evaluates the present situation of mining area's collapse pit，indicates that environmental control is important and urgent，and points out the main and minor problems in the environmental treatment.In the light of existing regularity of mining environmental treatment，a long-term measure of treatment，restoration and utilization process is proposed.At last，the paper proposes five-year treatment measures to control the environment of collapse area，and produces a feasible schedule.It has a guiding significance for ecologic restoration in collapse zone of Beiminghe Iron Mine and is important as a reference for other similar projects.

Key words: Collapse pit, Environmental treatment, Underground mine, Schedule