Three months. By querying the content of credit information published on the official platform of CCB, it is found that the updating time of CCB's credit information depends on the updating frequency of personal credit records, the processing time of institutions and other factors. In general, the update period is 3 months. Great changes have taken place in personal credit records, such as repayment records and overdue records. It is necessary to pay attention to the update of credit records in time and take corresponding measures to protect personal credit records and credit ratings when necessary.