2019 International Conference on Artificial Intelligence and Computer Science [AICS2019] has been held successfully during July 12th-13rd, 2019 in Wuhan, Hubei, China. About 440 papers have been submitted and with a restrict peer review process, 157 papers have been published in the final AICS2019 proceedings and indexed in EI Compendex. All published papers can be found through https://dl.acm.org/citation.cfm?id=3349341.