To file a civil lawsuit, you need to prepare: a civil complaint, a copy of the other party's ID card (business license), a list of evidence, and evidence materials (that is, evidence of the other party's arrears). A civil complaint shall contain the following items:
(1) The name, sex, age, nationality, occupation, work unit, domicile and contact information of the plaintiff, the name and domicile of the legal person or other organization, and the name, position and contact information of the legal representative or principal responsible person;
(2) Information such as the name, gender, work unit and domicile of the defendant, and information such as the name and domicile of the legal person or other organization;
(3) the request and the facts and reasons on which it is based;
(4) Evidence and its sources, names and residences of witnesses.
Legal basis: Civil Procedure Law
Article 21 A civil action brought against a citizen shall be under the jurisdiction of the people's court of the defendant's domicile; If the defendant's domicile is inconsistent with his habitual residence, it shall be under the jurisdiction of the people's court of habitual residence.
A civil lawsuit brought against a legal person or other organization shall be under the jurisdiction of the people's court where the defendant is domiciled.
If the domicile and habitual residence of several defendants in the same lawsuit are under the jurisdiction of two or more people's courts, they shall be under the jurisdiction of each people's court.
Article 34. The parties to a dispute over a contract or other property rights and interests may, through written agreement, choose a people's court in a place that has a real relationship with the dispute, such as the defendant's domicile, the place where the contract is performed, the place where the contract is signed, the plaintiff's domicile and the place where the subject matter is located, but it shall not violate the provisions of this Law on hierarchical jurisdiction and exclusive jurisdiction.