Mobile banking is one of the latest tools for easy and convenient banking in the current world. Day to day mobile payment and banking has become popular in Bangladesh. “Mobile Banking System in Bangladesh: A Closer Study” is the title of this assignment. The main objective of the study is to take a fresh look at the current M-Banking situation in Bangladesh and prospect of mobile banking in Bangladesh also highlight some recommendations for rendering M-banking services effectively. Mobile Banking is a Banking process without bank branch which provides financial services to unbanked communities efficiently and at affordable cost. To provide banking and financial services, such as cash-in, cash out, merchant payment, utility payment, salary disbursement, foreign remittance, government allowance disbursement, ATM money withdrawal through mobile technology devices, i.e. Mobile Phone, is called Mobile Banking. “Dutch-Bangla Bank Limited” (DBBL) has for the first time introduced its mobile banking service expanding the banking service from cities to remote areas. Currently many bank are providing this service and some bank are going to lunch this M-banking service. Among them “BRAC Bank Limited” mobile banking service named Bkash, Banglalink, Dhaka Bank and Western Union”, “Dutch-Bangla Bank Limited” services are most popular.“Bangladesh Post Office”, also provide mobile money services seems like m-banking. Mobile banking is not available on every device and still some popular bank does not provide mobile banking at all. The most potential customer of mobile banking is rural people. About 35% of mobile banking consumer are highly satisfied with present mobile banking service.After analyzing collected data eventually put some recommendation that may be proposed for further improvement of Mobile Banking in Bangladesh. In recommendation to reduced M-Banking limitation all banks should provide this opportunity, Government should provide help about mobile banking. Banks can use all mobile operators to make more available in all over the country. Also they should provide User guide to make easier the use of b-banking to all intended customers.