Legal analysis: 1. When contract fraud is involved, mere verbal denial is meaningless and ineffective. You must first collect evidence to prove that the contract provided by the other party is false. If it was signed by an impersonator, it can be solved through appraisal; if it is a tampered contract, the original contract can be provided. If the altered part is handwritten, you can apply for court appraisal to determine whether it has been tampered with based on whether the writing time is consistent. If it is tampered with by printing, you can also apply to the court to identify that the forged copy of the contract signature constitutes contract fraud. Collecting conclusive evidence is the first step in safeguarding your rights. Generally speaking, you can apply for appraisal to determine whether the contract is fake. If it is determined to be a fake contract, then you do not need to perform the contents of the contract. This is an invalid contract, and you can ask the other party to bear the corresponding legal obligations. responsibility.

2. If the contract is fake, you can certainly refuse to perform it. For those who make demands, while refuting them, you can choose relevant methods to protect your rights.

3. When you refuse to perform, if the other party's fraud has an impact on your reputation, you can ask the other party to stop the infringement and take the initiative to eliminate the negative impact. Otherwise, you can exercise relevant rights and protect your rights through legal means.

4. If the other party uses a fake contract, causing financial losses to yourself, or causing an impact on your reputation and identity, you may require the other party to provide financial compensation.

5. If the party to the falsified contract ignores its own demands or finds it difficult to perform, it can file a lawsuit with the People's Court and request compulsory execution after the judgment takes effect. If the contract falsification causes economic losses to oneself, reaching the amount of 20,000 yuan, it constitutes the crime of contract fraud. You can report the case to the public security organ, ask the other party to compensate for the losses, and pursue criminal liability. Of course, different types of contracts have different crimes, such as insurance fraud, loan fraud, etc.

Legal basis: "Civil Code of the People's Republic of China"

Article 146: Civil legal acts performed by the actor and counterparty with false expressions of intention invalid.

Representing the validity of hidden civil legal acts with false meaning shall be handled in accordance with relevant legal provisions.

Article 148: If one party uses fraudulent means to cause the other party to perform a civil legal act against its true intention, the party that has been defrauded has the right to request the people's court or arbitration institution to cancel it.

Article 149: If a third party commits a fraudulent act, causing a party to perform a civil legal act against his true intention, and the other party knows or should know about the fraudulent act, the party who was defrauded shall have the right to The right to request the people's court or arbitration institution to revoke it.

Article 151: If one party takes advantage of the other party's situation of crisis, lack of judgment, etc., causing the civil legal act to be unfair when established, the injured party has the right to request the people's court or arbitration institution be revoked.