MCC, or mobile cloud computing, is a new field. Mobile cloud computing has become an essential component of mobile due to the widespread use of mobile devices and the range of applications devices, as data processing and storage occur outside of the mobile, because to their dependability and portability. It helps mobile devices conserve battery life and processing power, which is important for high-power mobile devices. Mobile cloud computing offers consumers the ability to make calculations and use cloud services on their mobile devices. Building a solid understanding of current models and emerging trends is important because mobile Cloud computing is still in its infancy. This research paper is to identify and highlight the challenges & issues in MCC today research trends. There are risks and difficulties associated with mobile cloud computing, as well as current emerging trends in this area.