Hello, you can file a lawsuit. First of all, the litigant should submit the indictment and submit the copies of the indictment according to the number of the opposite party. If the party concerned is a citizen, the name, gender, age, native place and address of both parties shall be stated. If the party concerned is a unit, the name, address, legal representative or person in charge shall be stated. The body of the indictment shall clearly state the claim, the facts and reasons for the prosecution, and the tail shall be signed or sealed with the official seal.
 2、 According to the principle of "who claims, who gives evidence", the plaintiff shall submit the following materials to the court:
 1. Material of plaintiff's subject qualification. For example, the original and copies of resident identity card, residence booklet, passport, compatriot return card, marriage certificate and other evidences. If the enterprise unit is the plaintiff, it shall submit copies of business license, business registration certificate and other materials.
 2. Evidence proving the plaintiff's claims. Such as contracts, agreements, credit documents (IOUs, IOUs, etc.), receipt and delivery vouchers, correspondence, etc.