The principles that must be adhered to in the exchange of bills in the same city: timely handling and settlement of differences; Borrow first and then lend, and receive it properly; The principle that banks don't pay in advance.

Accounting learning methods:

1, first understand the basic principles of accounting.

When you study accounting, you must choose the books you want to read. The two books you must read are Accounting Principles and Basic Accounting, which introduce the basic principles and common subjects of accounting. Many publishers have these two books, and the difference is not very big, so I won't introduce them one by one. If you learn these two books well, you can have a general understanding of the basic principles of accounting and one or two subjects.

2. Learn to use accounting software.

Now accounting is basically done on accounting software, so to learn accounting well, we must first learn an accounting software. There are many accounting softwares on the Internet. You can download one and try it. There is no big requirement for software brands, because you can't know what accounting software your next company will use, and most accounting software content is similar.

3. Accountants should be familiar with the office software excel.

Because you deal with numbers all day, if you want to learn accounting well, you must first learn excel spreadsheet office software. In the actual accounting operation, you will encounter a lot of statistical data work. If you use excel well, you will have less trouble when you encounter statistics.