It is necessary to prove your ability to repay the loan.

When applying for a credit card, especially a large credit card, if you can provide proof of work and income, it will be helpful to apply for the card. Generally speaking, proof of work, together with ID card, proof of income and proof of residence, can become a necessary material for applying for a credit card.

However, employment certificates cannot be issued arbitrarily with a slap on the forehead. In order to prevent entering the "minefield" and inadvertently making mistakes, which will lead to the tragedy of loan rejection.