1. Sales details: including sales date, sales amount, sales quantity, sales order number, customer name, customer tax number and other information.

2. Purchase details: including purchase date, purchase amount, purchase quantity, purchase order number, supplier name, supplier tax number and other information.

3. Expense details: including the name, amount, date, payment object and other information of various expenses, such as rent, utilities, office supplies, etc.

4. Salary details: including employee's name, salary, social security, provident fund, individual tax and other information.