You can call the police, but the loan dispute is a civil dispute and does not belong to the jurisdiction of the public security organ. The debt should be paid off. If it is temporarily unable to repay, it may be repaid by the debtor in installments with the consent of the creditor or the judgment of the people's court. Those who have the ability to repay shall be forced to repay by the people's court.

A loan contract is a contract in which the borrower borrows money from the lender, repays the loan at maturity and pays interest. A loan contract shall be in written form, unless otherwise agreed between natural persons. The contents of a loan contract generally include terms such as loan type, currency, purpose, amount, interest rate, term and repayment method.