What should I do if the account balance is used?

If the account balance is used by others, the following measures can be taken: 1. Change the account password in time, turn on double authentication, and ensure the account security. 2. Contact the account service provider, request to freeze the account and find the abnormal operation record. 3. Report the case to the law enforcement department and provide relevant evidence. 4. Bring legal proceedings against individuals or enterprises suspected of corruption to safeguard their legitimate rights and interests.