There are four subtabs under this tab: comprehensive information, borrowing, fine/violation marking and obtaining reader bar code. To inquire about the borrowing information of Shanghai Library, you can first click the sub-tab to get the reader's barcode number, and then follow the prompts to get my barcode number. Then, enter the barcode number and my ID number on my account tab page to log in, and then click the corresponding sub-tab page to inquire about relevant information.