Legal analysis: 1. In the catering industry, if the boss is registered as a self-employed, he will generally not sign a contract with the employee. 2. Only the company registered as a limited company can sign a contract with the employee.

Legal basis: Article 16 of the Labor Law of the People's Republic of China is an agreement between the employee and the employer to establish labor relations and clarify the rights and obligations of both parties. According to this agreement, workers join enterprises, individual economic organizations, public institutions, state organs, social organizations and other employers, become a member of the unit, undertake certain types of work, posts or positions, and abide by the internal labor rules and other rules and regulations of the unit; The employing unit shall timely arrange the hired laborers to work, pay labor remuneration according to the quantity and quality of labor provided by the laborers, and provide necessary working conditions according to the provisions of labor laws, regulations and labor contracts, so as to ensure that the laborers enjoy labor protection, social insurance, welfare and other rights and benefits.