First, you have to prove that there is a labor contract relationship between you and the employer. Important evidence materials include the following contents:

1, evidence of your work content, such as electronic texts, materials and other company-related materials;

2. Relevant identification of your work, such as work permit, employee badge, employee clothing and other company-related certificates;

3. The institutional basis given to you by the company is best to stamp or print a complete set of materials, such as employee handbook and financial system.

Staff roster, etc.;

4. Information communicated with you by formal employees or leaders of the company, such as work arrangement, written notice, email notice, etc.

5. You can try to talk to the company's competent leader and then record it. The name of the leader must be reflected in the recording material, otherwise it will be difficult for the court to confirm the authenticity of the recording material;

You can prove that you work in the company through the witness and testimony of other employees who have left the company. 7. Other materials that can be related to the company can be used as evidence.