Judicial litigation of mortgage loan: If a creditor files a mortgage loan dispute lawsuit with the court, it shall submit a complaint to the people's court, issue relevant evidence of mortgage loan and wait for the court to hear it.

Article 3 of the Civil Procedure Law of People's Republic of China (PRC) The provisions of this Law shall apply to the people's courts in accepting civil lawsuits brought by citizens, legal persons, other organizations and their property relations and personal relations.

Article 119th of the Civil Procedure Law of People's Republic of China (PRC) * * * Prosecution must meet the following conditions:

(1) The plaintiff is a citizen, legal person and other organization that has a direct interest in the case;

(2) Having a clear defendant;

(3) Having specific requests, facts and reasons;

(4) It falls within the scope of civil litigation accepted by the people's court and is under the jurisdiction of the sued people's court.

Article 120 of the Civil Procedure Law of People's Republic of China (PRC) * * * A lawsuit shall be filed with the people's court, and a copy shall be submitted according to the number of defendants.

If it is really difficult to write a complaint, it can be made orally, which will be recorded by the people's court and the other party will be informed.