Abstract: The Large-diameter deep-borehole mining methods have been extensively adopted by a lot of mines in China,but there are short of management criteria for this new kind of method,e.g. criteria for managing three-class of reserves.in this paper,through analysis on the producing experiment and related data accumulated during more than 10 years of using this method,the author put forward the criteria for two-class reserve classifying and reserved reserve.it is only a discussion and a reference for using.