legal ground
Article 100 of the Civil Procedure Law of People's Republic of China (PRC)
If the judgment may be difficult to execute or cause other damage to one party due to one party's behavior or other reasons, the people's court may, upon the application of the other party, order the property to be preserved, order it to do certain acts or prohibit it from doing certain acts; If the parties do not apply, the people's court may also order the adoption of preservation measures when necessary. When the people's court takes preservation measures, it may order the applicant to provide a guarantee. If the applicant is unable to provide a guarantee, the application shall be rejected.
Article 101
If an interested party in property preservation before litigation is unable to apply for preservation immediately because of an emergency, which will cause irreparable damage to his legitimate rights and interests, he may apply to the property preservation place, the respondent's domicile or the people's court with jurisdiction for preservation measures before bringing a lawsuit or applying for arbitration. The applicant shall provide a guarantee. If no guarantee is provided, the application will be rejected. After accepting the application, the people's court must make a ruling within 48 hours; Those ordered to take protective measures shall be executed immediately.