Is it illegal for a hotel not to sign a labor contract?

Legal subjectivity:

It is illegal not to sign a labor contract with workers. After the employer and the employee have established a labor relationship, they must enter into a written labor contract within one month from the date of employment. If it lasts more than one month, the worker can demand double the monthly salary. Legal objectivity:

Article 17 of the Company Law: Companies must protect the legitimate rights and interests of employees, sign labor contracts with employees in accordance with the law, participate in social insurance, strengthen labor protection, and achieve safe production. Companies should adopt various forms to strengthen vocational education and job training for company employees and improve the quality of employees.