The orebodies of the mineral deposit Trepça in Stanterg are usually characterized with a dipping angle which is followed with a stable working medium. To ensure a safe production capacity must have enough “stopes” (working sites) which are mined in the mining horizons. The mining system of ore bodies is mainly done with the principle of “etages”(floors principle) from the bottom-up with a certain number of mining systems. In all cases, during the mining phase, when the ore bodies are in large size there are left safety pillars and safety plates. Even though in Trepca mine was not practiced the mining of safety plates still some of them have been mined out. Mining of the safety plates by planning the safety pillars inside the ore body is a method that has not been practiced yet in the Trepça Stanterg   mine.