1, self-employment is also required to sign labor contracts with workers. 2, the legal basis; "the Chinese people's *** and the State labor contract law" Article 2 of the Chinese people's *** and the State within the enterprise, individual economic organizations, private non-enterprise units and other organizations (hereinafter referred to as the employer) and the establishment of labor relations with workers, to enter into, perform, change, terminate or terminate the labor contract, the application of this law. State organs, public institutions, social organizations and workers with whom they have established labor relations shall enter into, perform, change, cancel or terminate labor contracts in accordance with this Law.

Article 2 of the Law of the People's Republic of China on Labor Contracts Article 2 of the Law of the People's Republic of China on Labor Contracts applies to the establishment of labor relations between an enterprise, an individual economic organization, a privately-run non-enterprise unit or other organization within the territory of the People's Republic of China (hereinafter referred to as the employing unit) and a laborer and to the conclusion, fulfillment, alteration, cancellation or termination of a labor contract. Article 82 of the Law of the People's Republic of China on Labor Contracts If an employer has not concluded a written labor contract with a worker for more than one month but less than one year from the date of employment, the employer shall pay the worker two times his or her monthly wages. If an employer violates the provisions of this Law by not entering into an open-ended labor contract with a worker, the employer shall pay the worker two times the monthly wages from the date the open-ended labor contract should be entered into.