Because there is a limit set.

If you are China Construction Bank, Wenzhou Bank, Hengfeng Bank, Zheshang Bank, Bank of East Asia, Bohai Bank, Taizhou Commercial Bank, Jiaxing Bank, Yichang Commercial Bank, Changshu Rural Commercial Bank, Ningbo Bank, Changsha Bank, Chongqing Bank, Foshan Nanhai District Rural Credit Cooperative Union, Huishang Bank, Hangzhou Bank, Changzhou Rural Credit Cooperative, Inner Mongolia Bank, Shaoxing Bank, Fudian Bank, Shunde Rural Commercial Bank, Nanjing Bank, Qishang For Alipay cartoon users of banks, Huzhou Commercial Bank, Zunyi Commercial Bank, Longjiang Bank, Guiyang Bank, Ping An Bank, Jiangsu Rural Credit Union, and Bank of Jiangsu, the payment limit for quick payment (including cartoons) is based on the amount you set at the bank. The setting shall prevail. If the payment limit is exceeded, you can go to the bank to modify the limit. The maximum limit for a single transaction per day is 5,000 yuan. For Qingdao Bank, the maximum limit for a single transaction per day is 10,000 yuan.

Additional explanation about the recharge payment limit for quick payment (including cards):

1. For uncertified users, the amount is between 0-5,000 yuan. If the amount exceeds 500 yuan, SMS verification is required.

2. The amount of 500 yuan to 5,000 yuan (inclusive) requires SMS verification, but if the digital certificate has been installed, SMS verification is not required.

3. If you pay or recharge more than 5,000 yuan through quick payment (including card), you need to install a digital certificate.

Note: The above limits may change at the request of the bank.