After accepting the possibility of taking advantage of other sciences by both sciences of Islamic jurisprudence and ethics, it is time to state the duties of each researcher in jurisprudence and ethics in dealing with these judgments. This paper portrays a comprehensive model of the numerous hypotheses of the ethics scholars encountering the jurisprudential judgments, and presents their duties under three headings: the necessity to comply with the jurisprudential judgment, the necessity to suspend the final verdict, and the necessity to sustain the moral judgment and disregard the jurisprudential judgment.