New drug discovery is a time-consuming work. Even a lot of manpower and financial support is input in the discovery, the result of drug discovery might not be achieved. So, it needs to be careful on the selection of a potential new molecular entity for investigation in the famous pharmaceutical companies. The regulations of new drug approval process in the U.S. have been compiled in the U.S. Code of Federal Regulations. The FDA publishes many guidelines to provide pharmaceutical industry with informal guidance on specific methods through which FDA requirements can be satisfied. This paper will focus on the efficient way of managing the drug discovery on the side of the pharmaceutical industry.