You can file a case if you are cheated by 3 thousand yuan. Fraudulent use of public or private property with a value of more than 3,000 yuan to10,000 yuan is a big standard in the crime of fraud, and the public security organ should file a case. If the amount of fraud is relatively large, it is generally sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and a fine or a single fine. The process of suing the debtor is: (1). Prepare to sue. Submit a complaint to the court, and attach evidence materials, such as IOUs or loan contracts. You can apply to the people's court for evidence preservation in time for evidence that may be put out of fire due to special circumstances or that is difficult to obtain in the future; For evidence that cannot be collected by itself due to objective reasons, you can apply to the people's court for investigation and collection in time. 2. filing. Bring a copy of the complaint and personal identity card to the filing court of the basic court where the defendant is located, and the legal fees shall be paid in advance by the plaintiff. 3. Listening. Supplementary materials within the time notified by the court, and appear in court on the day of the court session. If the facts and evidence are clear, then the court will support the plaintiff's claim, that is, the defendant will be sentenced to repay the money within a specified time. (4) execution. The judgment is legally binding. If the defendant still fails to perform the repayment obligation after the judgment takes effect, the plaintiff may apply to the court for compulsory execution, and the defendant's property will be auctioned by the judiciary to compensate for the loan and interest.

Legal basis:

People's Republic of China (PRC) Civil Procedure Law

Article 3 The provisions of this Law shall apply to the people's courts in accepting civil lawsuits brought by citizens, legal persons, other organizations and between them concerning property relations and personal relations.

Article 64 The parties have the responsibility to provide evidence of their own claims. The people's court shall investigate and collect evidence that the parties and their agents ad litem cannot collect on their own due to objective reasons, or evidence that the people's court considers necessary for hearing a case. The people's court shall comprehensively and objectively examine and verify the evidence in accordance with legal procedures.

Derivative problem:

Can I seize the other party's property if I owe money?

Under normal circumstances, you can't detain the other party's finances if you owe money. However, except for the following special circumstances, property may be seized: 1. If one party occupies the property of the other party according to the contract, and the other party fails to pay the payable amount according to the contract within the agreed time limit, the possessor has the right to seize the debtor's property. 2. When the debtor or a third party provides certain property to guarantee the debtor to perform the debt, the creditor may seize the collateral when the debtor fails to perform the debt.