Juniper Publishers-Open Access Journal of Engineering Technology Abstract In WBANs, longer packets may encounter higher misfortune rates because of unforgiving channel conditions. Then again, shorter packets may experience the ill effects of more prominent overhead. Thus, the ideal packet size must be selected to different execution measurements of WBANs. According to the latest research, numerous methodologies have been suggested to decide ideal packet size in WBANs. Literature discussed in this paper primarily focuses on packet size optimization in a particular application or sending condition. This paper discusses the current trends and practices on packet size optimization for wireless body area networks to encourage the researchers for more investigation in that particular area. The objective of this paper is to give a superior comprehension of packet size streamlining methodologies and applications utilized in WBAN, it will likewise present some research issu...