Big data black is generally due to improper loan repayment operations, resulting in overdue, or the number of loans is too many there is a risk of multiple borrowing, or fill out the wrong personal information, there is a suspicion of fraudulent loans and so on, if you still do not know what is the reason for their loans are rejected, you can WeChat search 'to check' attention to the query. These several situations will lead to big data black, once your big data black will directly affect the results of the loan, now not only is the online lending platform will query the lender's online lending big data, the bank will also query, as long as your big data black, the bank will consider to give you a reduction in the amount of credit, or direct refusal of loans.