1. collection action: if the borrower fails to repay the loan on time, the borrowing institution or the third-party collection company will take various ways to recover the arrears, such as telephone, SMS and door-to-door collection.

2. Credit record damage: Outstanding debts will be recorded in personal credit report, which will have a negative impact on the borrower's credit rating and credit score. This may make it difficult to obtain financial products such as credit cards and loans in the future, and may affect renting and employment.

3. Legal proceedings: Lending institutions have the right to pursue the legal liabilities of borrowers through legal channels. They can bring a lawsuit to the court and ask the borrower to bear the expenses such as liquidated damages, interest and late fees, and can apply for enforcement.

4. Being included in the untrustworthy list: In China, the failure to repay the debt may lead to the borrower being included in the untrustworthy list, which will be shared with relevant departments and restrict the borrower's rights and interests such as consumption, tourism and employment.

Summary:

Failure to repay online loans will lead to a series of consequences, including collection actions, damage to credit records, legal proceedings and being listed as untrustworthy. The borrower should abide by the contract and repay the loan on time to avoid these consequences.

Extended data:

-How to avoid online loan disputes? It is recommended to read the contract terms, interest rates and other relevant information carefully before borrowing to ensure that you understand the loan conditions and responsibilities.

-In China, the legal basis for private lending mainly includes People's Republic of China (PRC) Contract Law and People's Republic of China (PRC) Lending Law.

-Borrowers can seek professional legal advice to understand their rights and obligations.