1. In court, if the other party simply lied, you can produce evidence to prove that the other party is lying. At this point, the other party's statement has no legal effect.

2. The parties shall provide evidence of their claims in time and show them in court, and the parties shall cross-examine each other.

How to identify false statements?

If a participant in a lawsuit commits one of the following acts, it may be deemed as a false statement:

1, forging or altering evidence to prove its claim;

2. After the facts claimed by the other party have fulfilled the burden of proof, they still fabricate legal relations and corresponding facts to defend;

3, the statement of the facts of the case is inconsistent, there are major contradictions and can not make a reasonable explanation;

4. When claiming one's rights, concealing that the other party has fulfilled part or all of its obligations and can't make a reasonable explanation;

5. Avoidance of stating the facts of one's participation or failure to give a reasonable explanation for the facts that one knows and should know, such as "I don't know", "I don't know" and "I don't remember";

6. Refusing to express opinions on the authenticity of the documentary evidence signed and sealed by me, and refusing to express opinions after the judicial personnel explain the legal consequences;

7, there are other evidence enough to confirm the authenticity of documentary evidence still apply for identification to hinder litigation;

8. Apply to the court for investigation and collection of evidence that has been mastered or should be mastered, and can't make a reasonable explanation;

9. Others obstruct civil litigation activities through statements, applications, etc. and cannot make reasonable explanations.

To sum up, under normal circumstances, if the defendant lies without evidence, the court will not find out. Defendants defend themselves, even if they lie, it is also the embodiment of the right of driving defense allowed by law. However, all kinds of lawsuits will always have some adverse consequences, which are slightly different. If it can be verified that the defendant lied in civil proceedings, the compensation will be slightly increased; If the criminal procedure can be verified, at the time of sentencing, a heavier punishment shall be given as appropriate with a bad guilty attitude and no regrets.

Legal basis:

Article11of the Civil Procedure Law of People's Republic of China (PRC).

If a litigant participant or other person commits one of the following acts, the people's court may impose a fine or detention according to the seriousness of the case; If the case constitutes a crime, criminal responsibility shall be investigated according to law:

1. Forge or destroy important evidence, which hinders the people's court from hearing cases;

2. Preventing witnesses from testifying by violence, threat or bribery, or instigating, bribing or coercing others to commit perjury; The people's court may impose a fine or detention on a unit that commits one of the acts listed in the preceding paragraph; If a crime is constituted, criminal responsibility shall be investigated according to law.