The payment code of the screenshot needs to be completed within 1 minute, and each code can only be used once. But when doing so, it must be noted that the payment code can only be shown to the cashier for scanning. If a third party scans this code, it may cause personal property losses. Even if the payment code screenshot can be used, don't give it to others easily, because personal information security is very important. Shandong card screenshot can be paid within one minute. Shandong smart card is a cross-industry, cross-system and cross-city payment card in Shandong Province, with perfect functions and convenient use. Shandong smart card is a national interoperability pilot project. Smart card, as an electronic currency for consumption, adopts radio frequency technology and integrates the functions of bus card, shopping card in shopping mall, travel card and other industry cards.