1. Complain and report to the local labor security supervision institution.
2. Apply to the local labor dispute arbitration committee for arbitration.
3. Solve it through litigation.
According to national regulations, in arbitration or litigation, it is required to pay the wages of workers in full within the specified time, and it is also necessary to pay economic compensation equivalent to 25% of wages. Unexplained wage arrears are the behaviors that employers default employees' wages without any legal or even reasonable reasons.