Detailed description:

1. Default: The borrower's overdue repayment of 5,000 yuan constitutes a breach of contract. According to the basic principle of contract law, the debtor should perform the debt in the agreed time and manner, otherwise it will constitute a breach of contract.

2. Protection of creditor's rights: After the debtor breaches the contract, the creditor has the right to take legal measures to protect his rights and interests, one of which is to sue the debtor. When the creditor thinks that the overdue behavior seriously affects his interests, he can sue the debtor through the court to recover the loan principal and related expenses.

3. Complexity of the case: Different regions, types of cases and specific circumstances may have an impact on the prosecution decision. However, under normal circumstances, creditors can consider suing debtors who are overdue by 5,000 yuan to safeguard their own interests and recover debts through legal means.

Summary:

Overdue 5000 will generally be prosecuted. Creditors have the right to take legal measures to protect their legitimate rights and interests, including suing debtors to recover overdue loans. The specific verdict may be influenced by factors such as region, case type and specific circumstances, but it is generally believed that serious overdue behavior may lead to prosecution.

Extended data:

The contract law stipulates the rights and obligations between creditors and debtors, including loan contracts. According to the contract, if the debtor fails to repay the loan within the time limit, the creditor has the right to investigate its liability for breach of contract and recover the arrears through legal channels. The specific prosecution decision may be influenced by various factors, such as the amount owed, the debtor's credit record, the creditor's economic situation and so on. In any case, creditors should exercise their rights and interests within the legal framework to ensure that their interests are protected by law.