The utility model provides an underground material conveying system, be used for to mix casting resin transport to colliery in the pit, including the ground satellite station, the transfer station and the workstation of meeting head on, each transfer station discharge gate end all has the overhead tank, there are first pipeline and second pipeline between each transfer station, there are third pipeline and fourth pipeline in terminal transfer station with meeting head on between the workstation, first pipeline and third pipeline diameter are 140~150mm, length is 180~300m, the diameter of second pipeline and fourth pipeline is 163~175mm, the length of second pipeline and fourth pipeline is the same with former pipeline, first pipeline communicates with each other with the overhead tank discharge gate, first pipeline communicates with each other with the second pipeline, the second pipeline communicates with each other with next stage transfer station pan feeding mouth, the third pipeline communicates with each other with terminal pressure jar discharge gate, the third pipeline communicates with each other with the fourth pipeline, the fourth pipeline communicates with each other with the workstation pan feeding mouth of meeting head on. The utility model discloses can prolong each transfer station and terminal transfer station and horizontal movement distance between the workstation head -on, realize super long range transport material, satisfy mine actual production needs.