From October 12 to 13, 2018, the 5th International Symposium on Multi-Scale Geomechanics & Geo-engineering hosted by Jiangsu Society for Geotechnical Mechanics and Engineering and Jiangsu Engineering Lab for Underground Space Exploration Technology will be held in Nanjing. The symposium is intended for academic reports and exchange. Now we sincerely invite domestic and foreign well-known experts and scholars to make academic reports and discuss some of the cutting-edge technologies and management problems in geomechanics and underground engineering, thus exchanging wisdom, enhancing cognition, and building consensus to propel the development of the industry.