Computer online trading method for integrating sale and purchase processes and a system for the same

A computer online trading system for integrating sale and purchase processes, wherein the computer online trading system for integrating sale and purchase processes is within a business web site that is set up in a server of an enterprise, such that a trader of the enterprise can, through internet, perform purchases with any suppliers and sales with any clients, wherein the purchase and sale are performed through a plurality of employees of the enterprise that are computer online, a plurality of suppliers that are online to register the product information thereof, and a plurality of clients that are online to purchase products, the computer online trading system for integrating sale and purchase processes comprising:

• a supplier trade management system that is directed to perform enterprise purchase processes;
• a client trade management system that is directed to perform enterprise product sale processes;
• a payment and logistics management system that is directed to process a management of respectively enterprise merchandise deliveries and bank current accounts, wherein the payment and logistics management system is also directed to process respectively an account payable management with at least a supplier and an account receivable management with at least a client;
• and
• a report analysis management system that is directed to perform an analysis from the combination of enterprise product purchase reports and enterprise product sale reports, wherein the analysis comprises product statistics analysis, payment analysis, and date analysis.