What should the plaintiff and the defendant do in a malicious lawsuit?

if a malicious lawsuit is filed, the victim can file a counterclaim within the defense period, provide evidence, and then ask the other party to compensate for his own losses. If the other party maliciously litigates for many times, which hinders the judicial order or seriously infringes on the legitimate rights and interests of others, it may constitute a crime, and the parties may call the police to deal with it.

Legal basis: Article 154 of the Civil Code of the People's Republic of China

A civil legal act in which the actor maliciously colludes with the counterpart and damages the legitimate rights and interests of others is invalid.

Article 37-1 of the Criminal Law of the People's Republic of China

Whoever brings a civil lawsuit with fabricated facts, which hinders the judicial order or seriously infringes upon the legitimate rights and interests of others, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also or shall only be fined; If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined.

if a unit commits the crime mentioned in the preceding paragraph, it shall be fined, and the directly responsible person in charge and other directly responsible personnel shall be punished in accordance with the provisions of the preceding paragraph. Whoever commits the act mentioned in the first paragraph, illegally occupies other people's property or evades legal debts, which constitutes other crimes, shall be convicted and given a heavier punishment in accordance with the provisions on heavier punishment.

judicial personnel who use their powers to commit the acts mentioned in the preceding three paragraphs together with others shall be given a heavier punishment; If it constitutes other crimes at the same time, it shall be convicted and given a heavier punishment in accordance with the provisions on heavier punishment.