Contents included in the fitness instructor's labor contract: 1. Basic information of employers and workers; Second, the term of the labor contract; 3. Work content and place, working hours, rest and vacation wages; Social insurance, labor protection, protection of working conditions and occupational hazards and related legal systems.

Legal objectivity:

Article 82 of the Labor Contract Law stipulates that if the employer fails to conclude a written labor contract with the employee for more than one month and less than one year from the date of employment, it shall pay the employee twice the monthly salary.