Abstract: Mine geological reserves and as well as for the three grade ore guiding production management are often changing state, balance and management reserves change is very important for mining enterprises, how to quickly and accurately obtain geological resource information, dynamic grasp of the three grade ore amount increasing or decreasing, exploration and preparation, is an important to ensure the reasonable arrangement of mining enterprises of the mining plan.The application of MineSight 3D mining software in the dynamic management of three levels of ore reserves provides an efficient means and tool for the dynamic management of mine reserves.