In accounting, I'm not sure. It depends on the actual situation. It means your boss's request. In fact, you can know the general meaning of internal account and external account by looking at the glossary. The internal account is named after the company's internal account and is a real account. External accounts are generally for the tax bureau, not for outsiders. This is an external account. Internal accounts and external accounts are artificially opened as external accounts. This is also an accounting profession with China characteristics. Of course, the book won't tell you to do two accounts. The company made it itself. If it is all true, the company will not make a profit. Legally speaking, it is not allowed to make two sets of accounts. Why do you have to do two sets of accounts? There must be something wrong. Some service industries usually have internal accounts and external accounts, such as catering industry. In order to pay less taxes, they have come up with many ways to try not to invoice customers. The external account is the invoice, and the internal account is the real income of the company. To put it bluntly, external accounts should be done in strict accordance with accounting standards and accounting systems, and their original vouchers must be formal invoices; Internal accounting is done according to the requirements of internal management, and there is no strict requirement for its original vouchers, as long as the authorizer agrees. Manual accounting is actually not difficult, such as the account name and the fact that you do internal accounting. . The internal accounts are very safe, and they are all in accordance with accounting regulations! This is what the catering industry generally does. When internal accounts and external accounts are combined, they are real accounts. Nothing is too risky! If you must feel dangerous. . Just do job-hopping for two years, and then have work experience!