More than 50,000 yuan.

If the perpetrator uses a credit card to cash out and maliciously overdraws the credit card, the amount is more than 50,000 yuan, which will constitute a crime of credit card fraud. Those who commit this crime shall generally be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 20,000 yuan but not more than 200,000 yuan.