Legal analysis: The employee handbook, rules and regulations of the company have no legal effect on workers without publicity, voting and signature. Rules and regulations formulated through democratic procedures that do not violate national laws, administrative regulations and policies and have been publicized to workers can be used as the basis for people's courts to hear labor dispute cases.

Legal basis: People's Republic of China (PRC) Labor Law.

Article 4 The employing unit shall establish and improve rules and regulations in accordance with the law to ensure that workers enjoy their labor rights and perform their labor obligations.

Article 85 The labor administrative department of the people's government at or above the county level shall supervise and inspect the employer's compliance with labor laws and regulations according to law, and have the right to stop the violation of labor laws and regulations and order it to make corrections.