Why is there a service charge for the 5 1 loan, 49 yuan?

Because there is a handling fee.

5 1 Loan service fee 49 yuan charges a certain fee because there is a handling fee in the middle and the loan platform provides users with corresponding services.

The loan service fee refers to the fee charged when handling the loan business, which is generally charged by the bank and also by the third party who helps with the loan business. The charging standard depends on local conditions.