You only need to go to Bank of China, pay a deposit of 5,000 yuan, and apply for a dual-currency credit card. Commonly known as international card. After your son goes to Europe, you can deposit his living expenses and tuition fees in China. My son can just go to a TAM machine with the UnionPay logo in Europe to withdraw it.

In addition, you need to check which bank guarantees the funds required by the school. Some banks may not work. Bank of China is the best.