The Government Servant Service Law has long been criticized by scholars. In addition to the uncertain legal concepts, specification clarity inadequate, outdated or unethical provisions make civil servants into the plight and rely on those in power to interpret the law. This article attempt to discuss a real case derived from errors and reckless behavior of administrative authorities when interpreting the Article 13 of Government Servant Service Law via applying interpretation and applicable theories. The consequences results the person who used to serve as the person in charge of a profit-seeking enterprise unqualified to be a civil servant after obtaining the qualification to serve in the government. Such laziness and reckless law making procedure and administration must be improved. Therefore, this article addresses the doubts and conflicts of law from the viewpoints of legislation, interpretation and applicable theories and hopefully, this discussion could be the references for future personnel practices.