If you go to the store as an apprentice and don't sign a contract with the parties, you can complain to the local labor inspection department or apply for labor arbitration. Evidence that can prove labor relations:

1, collecting salary cards;

2. Social insurance records;

3. A certificate to prove the identity of the post;

4. Recruitment records;

5. Attendance record;

6. Testimony of colleagues;

7. Collect all kinds of documents of the employer with the name of the employee;

8. Audio recordings, videos and photos;

9. Collect network information;

10, sign the express bill;

1 1, collecting mobile phone short messages and telephone recordings;

12, collect the processing results of the department.

Legal basis:

Article 10 of People's Republic of China (PRC) Labor Contract Law

To establish labor relations, a written labor contract shall be concluded.

If a labor relationship has been established and a written labor contract has not been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment.

If the employer and the employee conclude a labor contract before employment, the labor relationship shall be established from the date of employment.

Article 11

If the employer fails to conclude a written labor contract at the same time of employment, and the labor remuneration agreed with the employee is not clear, the labor remuneration of the newly hired employee shall be implemented in accordance with the standards agreed in the collective contract; If there is no collective contract or there is no agreement in the collective contract, equal pay for equal work shall be implemented.