(1) Display product related information a. Including the main page and sub pages, mainly about loading pictures and information of each product. b. Click the "Test" function, and then the detailed information of the product will be displayed. 2) The user login interface includes member login and search function after password loss. 3) The member registration function includes the login account, password and relevant details of the member. 4) Display and modification function of member related information a. Display the relevant information filled in during member registration. b. When members find that the registration information is incorrect or has changed, they can correct the information through this item to avoid unnecessary losses. 5) Ordering System This system provides the user with a shopping cart mode. The user can click the product, and the product will be automatically loaded into the shopping cart panel. After the user determines the required product, just click OK. 6) Auction system This system provides auction function, and users can browse and auction the items auctioned. 7) The administrator module sorts, backs up and modifies the existing data, and deletes the garbage information. 8) System maintenance)