Abstract:The pipeline delivery peculiarities of backfill slurry were studied, definition and computing method of stowing ratio were improved. According to the difference of study emphasis and methods, the latest reliability study achievements of backfill slurry pipeline delivery were summarized. Some problems and reasonable suggests were put forward through analyzing the status quo. The paper has the reference value to the study on backfilling slurry pipeline delivery, and points out the development direction of study in that field.