Abstract: Abstract: This paper introduces the auxiliary underground transportation system of Luan Wangzhuang Coal Mine of the +540m level. By enumerating and calculating methods, the paper calculated the time of underground auxiliary transportation by starting from the distribution of mining sites, types of equipment, service scope and multi-purpose material requirements, and studied the factors that affecting the efficiency of auxiliary transportation system. It laid the foundation and pointed out the direction for Wangzhuang Coal Mine to take measures to solve the current auxiliary transportation problems. The paper also has a very important guiding significance for production mines with similar auxiliary transportation problems.