1．系统需要为不同的用户设立不同的帐户。用户在创建新账号时候需要设定用户名和密码。使用时，用户需要输入密码才能进入自己的帐户；

2．用户可以添加、修改和删除收入和支出信息，信息包括：交易日期、收支分类、币种、金额以及说明等，系统同时显示帐户余额；

3．用户可以根据实践范围和币种查询收支信息；

4．系统可以按用户设定的实践段统计日常收支，以曲线图显示逐月变化情况

-1. Systems required for different users to set up a different account. Users at the time required to create a new account set up user name and password. Use, users need to enter a password to access their own accounts　2. The user can add, modify, and delete the income and expenditure information, including information: transaction date, revenue and expenditure classification, currency, amount and descr iption, the system shows account balance at the same time　3. Users can query the practice of the scope and currency income and expenditure information　4. System can be set by user day-to-day practice of balance of payments statistics paragraph to graph shows the monthly Change