Account book, originally refers to the account book placed on the stage for people to read, hence the name account book; In fact, it is a running account, including documents, work plans and work reports.

1, account book is a tool to record and sort out accounts and detailed information in economy, work and assets. It can be paper or electronic, and it is used to record income, expenditure, transactions, inventory and other contents, so as to track and analyze the financial situation.

2, ledger can not only help individuals or enterprises to understand their own financial situation, but also provide data support for budget planning, decision-making and management.

3. Ledger includes various accounts, such as daily expense ledger, inventory ledger and account balance ledger. By carefully and accurately recording and updating information, the ledger can provide a reliable data base and provide effective support and reference for the financial management of individuals and enterprises.

4. The account specifically includes: safety responsibility book, organization setting documents of safety production, safety production management system, organization documents and notices, notices formulated and issued by superior safety production management departments, safety publicity, education, training, study and activity materials, safety production inspection materials, safety meeting minutes, roster: full-time roster, special operation personnel roster, equipment management materials such as machinery and electricity, safety technical disclosure materials, and blasting materials management materials.