Professor Yuhlong Lio has very broad research interests. All research subjects related to Theoreticl and methodologies development via mathematics are in his research areas. For examples, Reliability, Survival Analysis, Bayes' Estimation, Kernel-smooth function, EM algorithms , Acceptance Sampling Theory, Theoretical Schedule Setting for Maintenance Action, etc. He has more than 30 papers. He also applied his research backgrounds to help researchers at USD community as statistical consultings for free of charge