First of all, there is no labor contract to prove the establishment of labor relations, and wage payment vouchers or records (payroll) are required; Records of the Company's payment of social insurance premiums; The "work card", "service card" and other identity certificates issued by the employer to the workers; Employment records such as "Registration Form" and "Registration Form" filled in by the laborer; Attendance record of the company; wait.
 Secondly, if you report to the labor administrative department, you can also directly apply for arbitration. If you are not satisfied with the arbitration result, you can bring a lawsuit in the court within 15 days after receiving the arbitration statement.
 [Legal Basis]
 In Article 85 of the Labor Contract Law of the People's Republic of China, the labor administrative department shall order an employer to pay labor remuneration, overtime pay or economic compensation within a time limit if it has any of the following circumstances: if the labor remuneration is lower than the local minimum wage standard, the difference shall be paid; If it fails to pay within the time limit, the Employer shall be ordered to pay additional compensation to the worker at a rate of not less than 50% but not more than 100% of the amount payable.