You didn't write the work certificate yourself, it was written by your previous job.

The format is as follows:

The form of work certificate shows that the certificate of our company _ _ _ _ _ _ _ _ _ is true.

Unit (seal)

Your own name is your resume.

The basic contents are as follows:

Name, gender, age, school status, school, family members, work experience (nature and time of work), work suggestions and experience summary.