If you don't pay back the money, the consequences will be impossible before the court decision takes effect. If the court refuses to perform the judgment after it takes effect, it shall bear the corresponding legal consequences. If you don't pay back the money, you may face the following problems: 1. After the prosecution, the plaintiff should actively respond to the lawsuit and strive for a favorable judgment; 2. If the court decision is unfavorable to you, perform it as soon as possible if you have the ability to perform it; 3. After the court decision takes effect, the plaintiff may apply to the court for compulsory execution, and the court will seal up and freeze the property of the person subjected to execution according to law; 4. If the person subjected to execution has the ability to perform and refuses to perform, the court may include the person subjected to execution in the list of persons subjected to dishonesty, which will affect the daily life of the person subjected to execution. 5. Finally, the person subjected to execution may be sentenced to punishment for refusing to perform the effective judgment document.