According to the shortcomings of bottom structure which uses cones for ore reception and dual scraping drifts for ore removal originally, We made a successful use of bottom structure wich uses V-gully for ore reception and dual-scraping drifts for ore re-moval in practising the sublevel drilling and level room mining method in shizhuyuan Non-ferrous Metals Mine, and obtained a better result. This bottom structure, of which characteristics are described and analyzed in detail in this paper, is of practical value to the improvement of mining technology used in this mine and to the mining of similar mines.