The author in his article deals with the teaching of financial accounting and assessment of students' knowledge. It is well known that accounting is very unpopular and underrated at the same time. According to the author, this is because people do not know what an enormous amount of usefull information can be read from the accounting. The term account, most people imagine a person who sits all day at the computer and doing work that nobody needs. The author describes her experience when working as accounts clerk and from teaching of this subject.