Detained criminal suspects, defendants, their legal representatives, and close relatives have the right to apply for release on bail pending trial. After a criminal suspect is arrested, the lawyer hired by him can apply for release on bail pending trial. Applications for release on bail pending trial must be made in writing. The materials that need to be prepared for applying for bail pending trial include 1. The applicant’s identity certificate; 2. The power of attorney issued by the applicant if he is a lawyer; 3. The application for bail pending trial.