Abstract: The characteristics of metal mine tailings stacking process in China are summarized,and the specific applicable conditions for tailings stacking and its advantages and disadvantages are discussed with the comparative analysis.The existing problems in each stacking process and the development trends are demonstrated.The conclusion is that the wet tailing stacking is still the main way to dispose the tailings,and the future developing treads include mined-out area filling with tailings,dry tailings stacking,combining discharge of tailings and waste dump and comprehensive utilization of tailings etc.

Key words: Tailing dam, Mined-out area, Stockpiled technology, Development trend