Abnormal account. According to the regulations of China Postal Savings Bank, if the cardholder's postal savings bank card is in an abnormal state, the bank card will be banned. China Postal Savings Bank can be traced back to the postal savings business started in 19 19, and it has a history of one hundred years. In March 2007, on the basis of reforming the original postal savings management system, Postal Savings Bank of China Limited was formally established.