1.Bank is like safe custody for your money. You can withdraw and deposit cash as and when requited. It depends upon which type of account you are holding at bank.
2.You can receive money directly to your bank account for example your salary can be directly deposited or transferred to your bank account. So there is no need to carry your earnings as it gets safely deposited to your bank.
3.You can make payments through cheques or through internet banking. You can pay your utility bills like phone bill, Electricity bill and many others. A bank can make direct payment such as monthly EMI, credit card payments or insurance payments as per instructions given by you.
4.If you have bank account with any of the bank then you can apply for loan also. After validating certain things bank will offers various types of loans to you.
5.There is no need to visit the bank more often. You can withdraw cash by using ATM machines also it saves your big time and facilitates you by any time cash withdrawal.
6.Bank account holders get safe deposit lockers from bank where you can keep your valuable items such as gold ornaments and important documents .So you can protect your valuable items from burglary.