1. Personal finance: Personal finance can use loose-leaf books and card books to record daily income, expenses and assets. Through account books, individuals can clearly understand their financial situation, budget planning and financial management.
2. Small enterprises or individual industrial and commercial households: For small enterprises or individual industrial and commercial households, loose-leaf account books and card account books are simple and effective financial recording tools. They can be used to record sales revenue, procurement costs, expenses, etc. To help the owners make financial analysis and decision.
3. Inventory management: Loose-leaf account books and card account books are also applicable to inventory management. By recording the inventory situation of products, we can grasp the inventory level in time, avoid too much or too little inventory and improve the efficiency of inventory management.