The information technologies("IT") have been imposing increasingly greater challenges upon the law, lawyers and their clients worldwide. Among others, the digitalized human resource("HR") management is prone to many more legal pitfalls and uncertainties than ever before. In particular, many of my multi-national company("MNC") clients have come to me for advice on the legal issues and risks they encountered from the use of OA in the course of HR management. As a matter of fact, all MNCs here in China have applied the so-called OA systems in their daily HR management and business operations, with an effort to improve efficiency. In that scenario, I am going to draw on my professional experiences as a former trial judge and a current practitioner of law, to examine the legal features of the OA, analyze the legal challenges it poses on employment-related dispute resolution, and explore the precautions for employers to adopt against such challenges under China law.