Abstract: According to the detailed investigation results of No.105 Orebody, statistics and classification of the goafs and roadways formed in the private mining of the orebody were made.The size and distribution of goafs were described, their hazard and hidden danger were evaluated, a practical goaf treatment plan was worked out and a ground pressure monitoring plan for the goaf treatment process was also formulated.In the nearly one year goaf treatment, the goafs treated have all reached or exceeded the expected results.

Key words: Mine goaf, Goaf hidden danger, Goaf disaster, Hidden danger treatment, Filling