According to the provisions of Alipay cash installment, consumers need to provide consumption vouchers as the basis for review when applying for cash installment. If you can't provide proof of physical consumption, you can provide relevant proof materials through other means, such as electronic invoices, shopping receipts, bank running water, etc. To prove the authenticity and amount of consumption. Alipay also supports online inquiry of consumption records, which can be proved by inquiring consumption records and providing relevant screenshots. Therefore, even if you can't provide proof of physical consumption, you can still provide relevant supporting materials in other ways to meet the requirements of cash installment.